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47% off
16 Channel Optocoupler Isolation Relay Module High Low Level 5V 12V 24V PLC Amplifier Board 10A Contact Load DIN Rail Mount 16 Channel Optocoupler Isolation Relay Module High Low Level 5V 12V 24V PLC Amplifier Board 10A Contact Load DIN Rail Mount

16 Channel Optocoupler Isolation Relay Module High Low Level 5V 12V 24V PLC Amplifier Board 10A Contact Load DIN Rail Mount

$274.18$517.33

51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$28.78$58.73

1 sold
Genuine CKC Songling C61F-GP liquid level relay 220V 380V DC24V water level relay controller Genuine CKC Songling C61F-GP liquid level relay 220V 380V DC24V water level relay controller

Genuine CKC Songling C61F-GP liquid level relay 220V 380V DC24V water level relay controller

$20.50$20.50

1 sold
1pc Level Control Relay YKJD24-150 YKJD24-200 YKJD24-250 YKJD24-300 YKJD24-350 YKJD24-400 YKJD24-450 YKJD24-500 YKJD Series 1pc Level Control Relay YKJD24-150 YKJD24-200 YKJD24-250 YKJD24-300 YKJD24-350 YKJD24-400 YKJD24-450 YKJD24-500 YKJD Series

1pc Level Control Relay YKJD24-150 YKJD24-200 YKJD24-250 YKJD24-300 YKJD24-350 YKJD24-400 YKJD24-450 YKJD24-500 YKJD Series

$213.00$213.00

72% off
Water Heater Solar Level Sensor Temperature Controller Integrated Gauge Probe Smart Home Heating System Management Tool Water Heater Solar Level Sensor Temperature Controller Integrated Gauge Probe Smart Home Heating System Management Tool

Water Heater Solar Level Sensor Temperature Controller Integrated Gauge Probe Smart Home Heating System Management Tool

$25.78$92.06

5% off
Liquid level relay switch GRL8-0102 household 220V automatic water level pump controller 24V Liquid level relay switch GRL8-0102 household 220V automatic water level pump controller 24V

Liquid level relay switch GRL8-0102 household 220V automatic water level pump controller 24V

$15.72$16.55

57% off
Budget-Friendly-30Pcs Wall Plate Spacer Spacers for Electrical Outlet Metal Flush Fit Device Leveling Plates for Outlet Repair Budget-Friendly-30Pcs Wall Plate Spacer Spacers for Electrical Outlet Metal Flush Fit Device Leveling Plates for Outlet Repair

Budget-Friendly-30Pcs Wall Plate Spacer Spacers for Electrical Outlet Metal Flush Fit Device Leveling Plates for Outlet Repair

$125.49$291.84

37% off
2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control 2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control

2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control

$10.84$17.20

31% off
Rhythm Ambient Light Audio Level Display For Party Lighting 9 Reflection Levels Type-C 5V Power 3.5mm Audio Input For Car Stereo Rhythm Ambient Light Audio Level Display For Party Lighting 9 Reflection Levels Type-C 5V Power 3.5mm Audio Input For Car Stereo

Rhythm Ambient Light Audio Level Display For Party Lighting 9 Reflection Levels Type-C 5V Power 3.5mm Audio Input For Car Stereo

$350.30$507.68

A-Level 1000W 1008Wh Pure Sine Wave LiFePO4 Solar Panel Generators Waterproof AC Outlet Multiple Types Energy Storage A-Level 1000W 1008Wh Pure Sine Wave LiFePO4 Solar Panel Generators Waterproof AC Outlet Multiple Types Energy Storage

A-Level 1000W 1008Wh Pure Sine Wave LiFePO4 Solar Panel Generators Waterproof AC Outlet Multiple Types Energy Storage

$12308.92$12308.92

67% off
Water Level Relay Switch For C61F GP 220V Automatic Controller For Pump Tower Tank Liquid Detection System Electrical Accessory Water Level Relay Switch For C61F GP 220V Automatic Controller For Pump Tower Tank Liquid Detection System Electrical Accessory

Water Level Relay Switch For C61F GP 220V Automatic Controller For Pump Tower Tank Liquid Detection System Electrical Accessory

$43.93$133.11

40% off
Control Module DC 12V Relay 8‑Channel High and Low Level Trigger Trigger Module Circuit Controller Module Industrial Control Control Module DC 12V Relay 8‑Channel High and Low Level Trigger Trigger Module Circuit Controller Module Industrial Control

Control Module DC 12V Relay 8‑Channel High and Low Level Trigger Trigger Module Circuit Controller Module Industrial Control

$79.90$133.17

1% off
12V24V electrode type water level tower pool automatic pumping and drainage pump control liquid level detection controller 12V24V electrode type water level tower pool automatic pumping and drainage pump control liquid level detection controller

12V24V electrode type water level tower pool automatic pumping and drainage pump control liquid level detection controller

$10.87$10.98

51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$31.38$64.05

1 sold
2% off
NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

$3.04$3.12

20 sold
6% off
Ceramic Pressure Transmitter Hydraulic Level Diffusion Silicon Sensor Waterproof Compact Constant Pressure Water Supply Ceramic Pressure Transmitter Hydraulic Level Diffusion Silicon Sensor Waterproof Compact Constant Pressure Water Supply

Ceramic Pressure Transmitter Hydraulic Level Diffusion Silicon Sensor Waterproof Compact Constant Pressure Water Supply

$187.06$199.00

43% off
DC 9-24V 30W Power Voice Broadcast Prompt Module Triggers High And Low Levels OneToOne Supports MP3TF Card USB Flash Drive DC 9-24V 30W Power Voice Broadcast Prompt Module Triggers High And Low Levels OneToOne Supports MP3TF Card USB Flash Drive

DC 9-24V 30W Power Voice Broadcast Prompt Module Triggers High And Low Levels OneToOne Supports MP3TF Card USB Flash Drive

$83.63$146.72

25% off
2PCS Power On Delay Module Auto Power On Circuit Board High Low Level Relay Trigger Adjustable Delay Time DC3V-30V Delay Board 2PCS Power On Delay Module Auto Power On Circuit Board High Low Level Relay Trigger Adjustable Delay Time DC3V-30V Delay Board

2PCS Power On Delay Module Auto Power On Circuit Board High Low Level Relay Trigger Adjustable Delay Time DC3V-30V Delay Board

$9.97$13.29

51% off
3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Relay Board 3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Relay Board

3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Relay Board

$29.25$59.70

28% off
ABMI-1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay, ABMI-1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay,

ABMI-1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay,

$13.56$18.83

4% off
(WSFS) Solar Water Tank Water Tower Pool Automatic Water Level Controller Plastic Float Ball Valve Water Stop Water Level Switch (WSFS) Solar Water Tank Water Tower Pool Automatic Water Level Controller Plastic Float Ball Valve Water Stop Water Level Switch

(WSFS) Solar Water Tank Water Tower Pool Automatic Water Level Controller Plastic Float Ball Valve Water Stop Water Level Switch

$5.82$6.10

5V 8 Channel Solid State Relay Module 8 Channel High Level Trigger Relay Module 2A with Fuse 8 Channel Relay Module 5V 8 Channel Solid State Relay Module 8 Channel High Level Trigger Relay Module 2A with Fuse 8 Channel Relay Module

5V 8 Channel Solid State Relay Module 8 Channel High Level Trigger Relay Module 2A with Fuse 8 Channel Relay Module

$136.09$136.09

41% off
ABGE-For PIC AVR MCU 8 Channel 5V Relay Module With Optocoupler, High Low Level Trigger Shield For DIY Projects ABGE-For PIC AVR MCU 8 Channel 5V Relay Module With Optocoupler, High Low Level Trigger Shield For DIY Projects

ABGE-For PIC AVR MCU 8 Channel 5V Relay Module With Optocoupler, High Low Level Trigger Shield For DIY Projects

$8.45$14.32

15% off
220VAC 110VAC 1500W Solar Water Heater Water Temperature Level Controller TK-7 Microcomputer intelligent heating 220VAC 110VAC 1500W Solar Water Heater Water Temperature Level Controller TK-7 Microcomputer intelligent heating

220VAC 110VAC 1500W Solar Water Heater Water Temperature Level Controller TK-7 Microcomputer intelligent heating

$33.15$39.00

38% off
DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

$3.12$5.03

2% off
Export type Beijing 6J1 electronic tube T level sound sweet upgrade 5654 6ak5 electron tube Export type Beijing 6J1 electronic tube T level sound sweet upgrade 5654 6ak5 electron tube

Export type Beijing 6J1 electronic tube T level sound sweet upgrade 5654 6ak5 electron tube

$13.05$13.32

52% off
1PC C61F-GP AC220V Level Relay Floatless Level Switch Level Controller with Base 1PC C61F-GP AC220V Level Relay Floatless Level Switch Level Controller with Base

1PC C61F-GP AC220V Level Relay Floatless Level Switch Level Controller with Base

$74.94$156.13

7 sold
24% off
30A Tank Water 12V Water Level Automatic Control Liquid Level Automatic Control 30A Tank Water 12V Water Level Automatic Control Liquid Level Automatic Control

30A Tank Water 12V Water Level Automatic Control Liquid Level Automatic Control

$96.35$126.78

33% off
GEYA GRL8-03 Level Control Relay Electronic Liquid Level Switch for Monitoring 2 Tanks/Wells 10A AC/DC24V-240V GEYA GRL8-03 Level Control Relay Electronic Liquid Level Switch for Monitoring 2 Tanks/Wells 10A AC/DC24V-240V

GEYA GRL8-03 Level Control Relay Electronic Liquid Level Switch for Monitoring 2 Tanks/Wells 10A AC/DC24V-240V

$21.71$32.40

9 sold
22% off
DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

$5.23$6.71

34% off
Single Channel Liquid Level Probe Relay Module DC12‑24V Water Level Controller Adjustable Dela for Water Tank Pump Control Single Channel Liquid Level Probe Relay Module DC12‑24V Water Level Controller Adjustable Dela for Water Tank Pump Control

Single Channel Liquid Level Probe Relay Module DC12‑24V Water Level Controller Adjustable Dela for Water Tank Pump Control

$8.16$12.43

27% off
10X 4 Channel Relay Module 5V 12V Board Shield With Optocoupler Isolation Support High And Low Level Trigger 12V 10X 4 Channel Relay Module 5V 12V Board Shield With Optocoupler Isolation Support High And Low Level Trigger 12V

10X 4 Channel Relay Module 5V 12V Board Shield With Optocoupler Isolation Support High And Low Level Trigger 12V

$212.06$290.50

8% off
Relay Module 2 Button Switch ON OFF High Level Trigger Circuit Power Board DC 12V K71RS Relay Module 2 Button Switch ON OFF High Level Trigger Circuit Power Board DC 12V K71RS

Relay Module 2 Button Switch ON OFF High Level Trigger Circuit Power Board DC 12V K71RS

$50.64$55.13

55% off
Single Channel Liquid Level Probe Relay Module DC12-24V, Adjustable Delay Controller for Water Tank Pump Control Single Channel Liquid Level Probe Relay Module DC12-24V, Adjustable Delay Controller for Water Tank Pump Control

Single Channel Liquid Level Probe Relay Module DC12-24V, Adjustable Delay Controller for Water Tank Pump Control

$71.10$158.00

69% off
Solar Water Level Monitor Temperature Controller Gauge Integrated Probe Unit Household Heating System Management Device Tool Solar Water Level Monitor Temperature Controller Gauge Integrated Probe Unit Household Heating System Management Device Tool

Solar Water Level Monitor Temperature Controller Gauge Integrated Probe Unit Household Heating System Management Device Tool

$26.09$84.17

35% off
1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion Board for Arduino 1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion Board for Arduino

1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion Board for Arduino

$34.61$53.25

47% off
16 Channel Optocoupler Isolation Relay Module High Low Level 5V 12V 24V PLC Amplifier Board 10A Contact Load DIN Rail Mount 16 Channel Optocoupler Isolation Relay Module High Low Level 5V 12V 24V PLC Amplifier Board 10A Contact Load DIN Rail Mount

16 Channel Optocoupler Isolation Relay Module High Low Level 5V 12V 24V PLC Amplifier Board 10A Contact Load DIN Rail Mount

$274.18 $517.33

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$28.78 $58.73

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
Genuine CKC Songling C61F-GP liquid level relay 220V 380V DC24V water level relay controller Genuine CKC Songling C61F-GP liquid level relay 220V 380V DC24V water level relay controller

Genuine CKC Songling C61F-GP liquid level relay 220V 380V DC24V water level relay controller

$20.50 $20.50

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

Buy Now
1pc Level Control Relay YKJD24-150 YKJD24-200 YKJD24-250 YKJD24-300 YKJD24-350 YKJD24-400 YKJD24-450 YKJD24-500 YKJD Series 1pc Level Control Relay YKJD24-150 YKJD24-200 YKJD24-250 YKJD24-300 YKJD24-350 YKJD24-400 YKJD24-450 YKJD24-500 YKJD Series

1pc Level Control Relay YKJD24-150 YKJD24-200 YKJD24-250 YKJD24-300 YKJD24-350 YKJD24-400 YKJD24-450 YKJD24-500 YKJD Series

$213.00 $213.00

Categories: Home Improvement, Electrical Equipment & Supplies

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72% off
Water Heater Solar Level Sensor Temperature Controller Integrated Gauge Probe Smart Home Heating System Management Tool Water Heater Solar Level Sensor Temperature Controller Integrated Gauge Probe Smart Home Heating System Management Tool

Water Heater Solar Level Sensor Temperature Controller Integrated Gauge Probe Smart Home Heating System Management Tool

$25.78 $92.06

Categories: Home Improvement, Electrical Equipment & Supplies

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5% off
Liquid level relay switch GRL8-0102 household 220V automatic water level pump controller 24V Liquid level relay switch GRL8-0102 household 220V automatic water level pump controller 24V

Liquid level relay switch GRL8-0102 household 220V automatic water level pump controller 24V

$15.72 $16.55

Categories: Home Improvement, Electrical Equipment & Supplies

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57% off
Budget-Friendly-30Pcs Wall Plate Spacer Spacers for Electrical Outlet Metal Flush Fit Device Leveling Plates for Outlet Repair Budget-Friendly-30Pcs Wall Plate Spacer Spacers for Electrical Outlet Metal Flush Fit Device Leveling Plates for Outlet Repair

Budget-Friendly-30Pcs Wall Plate Spacer Spacers for Electrical Outlet Metal Flush Fit Device Leveling Plates for Outlet Repair

$125.49 $291.84

Categories: Home Improvement, Electrical Equipment & Supplies

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37% off
2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control 2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control

2-Way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control

$10.84 $17.20

Categories: Home Improvement, Electrical Equipment & Supplies

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31% off
Rhythm Ambient Light Audio Level Display For Party Lighting 9 Reflection Levels Type-C 5V Power 3.5mm Audio Input For Car Stereo Rhythm Ambient Light Audio Level Display For Party Lighting 9 Reflection Levels Type-C 5V Power 3.5mm Audio Input For Car Stereo

Rhythm Ambient Light Audio Level Display For Party Lighting 9 Reflection Levels Type-C 5V Power 3.5mm Audio Input For Car Stereo

$350.30 $507.68

Categories: Home Improvement, Electrical Equipment & Supplies

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A-Level 1000W 1008Wh Pure Sine Wave LiFePO4 Solar Panel Generators Waterproof AC Outlet Multiple Types Energy Storage A-Level 1000W 1008Wh Pure Sine Wave LiFePO4 Solar Panel Generators Waterproof AC Outlet Multiple Types Energy Storage

A-Level 1000W 1008Wh Pure Sine Wave LiFePO4 Solar Panel Generators Waterproof AC Outlet Multiple Types Energy Storage

$12308.92 $12308.92

Categories: Home Improvement, Electrical Equipment & Supplies

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67% off
Water Level Relay Switch For C61F GP 220V Automatic Controller For Pump Tower Tank Liquid Detection System Electrical Accessory Water Level Relay Switch For C61F GP 220V Automatic Controller For Pump Tower Tank Liquid Detection System Electrical Accessory

Water Level Relay Switch For C61F GP 220V Automatic Controller For Pump Tower Tank Liquid Detection System Electrical Accessory

$43.93 $133.11

Categories: Home Improvement, Electrical Equipment & Supplies

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40% off
Control Module DC 12V Relay 8‑Channel High and Low Level Trigger Trigger Module Circuit Controller Module Industrial Control Control Module DC 12V Relay 8‑Channel High and Low Level Trigger Trigger Module Circuit Controller Module Industrial Control

Control Module DC 12V Relay 8‑Channel High and Low Level Trigger Trigger Module Circuit Controller Module Industrial Control

$79.90 $133.17

Categories: Home Improvement, Electrical Equipment & Supplies

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1% off
12V24V electrode type water level tower pool automatic pumping and drainage pump control liquid level detection controller 12V24V electrode type water level tower pool automatic pumping and drainage pump control liquid level detection controller

12V24V electrode type water level tower pool automatic pumping and drainage pump control liquid level detection controller

$10.87 $10.98

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board 3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board

$31.38 $64.05

1 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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2% off
NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

NE555 5V/12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic control Relay Board

$3.04 $3.12

20 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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6% off
Ceramic Pressure Transmitter Hydraulic Level Diffusion Silicon Sensor Waterproof Compact Constant Pressure Water Supply Ceramic Pressure Transmitter Hydraulic Level Diffusion Silicon Sensor Waterproof Compact Constant Pressure Water Supply

Ceramic Pressure Transmitter Hydraulic Level Diffusion Silicon Sensor Waterproof Compact Constant Pressure Water Supply

$187.06 $199.00

Categories: Home Improvement, Electrical Equipment & Supplies

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43% off
DC 9-24V 30W Power Voice Broadcast Prompt Module Triggers High And Low Levels OneToOne Supports MP3TF Card USB Flash Drive DC 9-24V 30W Power Voice Broadcast Prompt Module Triggers High And Low Levels OneToOne Supports MP3TF Card USB Flash Drive

DC 9-24V 30W Power Voice Broadcast Prompt Module Triggers High And Low Levels OneToOne Supports MP3TF Card USB Flash Drive

$83.63 $146.72

Categories: Home Improvement, Electrical Equipment & Supplies

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25% off
2PCS Power On Delay Module Auto Power On Circuit Board High Low Level Relay Trigger Adjustable Delay Time DC3V-30V Delay Board 2PCS Power On Delay Module Auto Power On Circuit Board High Low Level Relay Trigger Adjustable Delay Time DC3V-30V Delay Board

2PCS Power On Delay Module Auto Power On Circuit Board High Low Level Relay Trigger Adjustable Delay Time DC3V-30V Delay Board

$9.97 $13.29

Categories: Home Improvement, Electrical Equipment & Supplies

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51% off
3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Relay Board 3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Relay Board

3.3V 5V 12V 24V 1 Channel Relay Module High and low Level Trigger Relay Board

$29.25 $59.70

Categories: Home Improvement, Electrical Equipment & Supplies

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28% off
ABMI-1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay, ABMI-1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay,

ABMI-1 Pcs 30A 4 Channel Relay Module High Low Level Trigger Module Solid State Relay Module Trigger Relay,

$13.56 $18.83

Categories: Home Improvement, Electrical Equipment & Supplies

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4% off
(WSFS) Solar Water Tank Water Tower Pool Automatic Water Level Controller Plastic Float Ball Valve Water Stop Water Level Switch (WSFS) Solar Water Tank Water Tower Pool Automatic Water Level Controller Plastic Float Ball Valve Water Stop Water Level Switch

(WSFS) Solar Water Tank Water Tower Pool Automatic Water Level Controller Plastic Float Ball Valve Water Stop Water Level Switch

$5.82 $6.10

Categories: Home Improvement, Electrical Equipment & Supplies

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5V 8 Channel Solid State Relay Module 8 Channel High Level Trigger Relay Module 2A with Fuse 8 Channel Relay Module 5V 8 Channel Solid State Relay Module 8 Channel High Level Trigger Relay Module 2A with Fuse 8 Channel Relay Module

5V 8 Channel Solid State Relay Module 8 Channel High Level Trigger Relay Module 2A with Fuse 8 Channel Relay Module

$136.09 $136.09

Categories: Home Improvement, Electrical Equipment & Supplies

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41% off
ABGE-For PIC AVR MCU 8 Channel 5V Relay Module With Optocoupler, High Low Level Trigger Shield For DIY Projects ABGE-For PIC AVR MCU 8 Channel 5V Relay Module With Optocoupler, High Low Level Trigger Shield For DIY Projects

ABGE-For PIC AVR MCU 8 Channel 5V Relay Module With Optocoupler, High Low Level Trigger Shield For DIY Projects

$8.45 $14.32

Categories: Home Improvement, Electrical Equipment & Supplies

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15% off
220VAC 110VAC 1500W Solar Water Heater Water Temperature Level Controller TK-7 Microcomputer intelligent heating 220VAC 110VAC 1500W Solar Water Heater Water Temperature Level Controller TK-7 Microcomputer intelligent heating

220VAC 110VAC 1500W Solar Water Heater Water Temperature Level Controller TK-7 Microcomputer intelligent heating

$33.15 $39.00

Categories: Home Improvement, Electrical Equipment & Supplies

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38% off
DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

$3.12 $5.03

Categories: Home Improvement, Electrical Equipment & Supplies

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2% off
Export type Beijing 6J1 electronic tube T level sound sweet upgrade 5654 6ak5 electron tube Export type Beijing 6J1 electronic tube T level sound sweet upgrade 5654 6ak5 electron tube

Export type Beijing 6J1 electronic tube T level sound sweet upgrade 5654 6ak5 electron tube

$13.05 $13.32

Categories: Home Improvement, Electrical Equipment & Supplies

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52% off
1PC C61F-GP AC220V Level Relay Floatless Level Switch Level Controller with Base 1PC C61F-GP AC220V Level Relay Floatless Level Switch Level Controller with Base

1PC C61F-GP AC220V Level Relay Floatless Level Switch Level Controller with Base

$74.94 $156.13

7 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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24% off
30A Tank Water 12V Water Level Automatic Control Liquid Level Automatic Control 30A Tank Water 12V Water Level Automatic Control Liquid Level Automatic Control

30A Tank Water 12V Water Level Automatic Control Liquid Level Automatic Control

$96.35 $126.78

Categories: Home Improvement, Electrical Equipment & Supplies

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33% off
GEYA GRL8-03 Level Control Relay Electronic Liquid Level Switch for Monitoring 2 Tanks/Wells 10A AC/DC24V-240V GEYA GRL8-03 Level Control Relay Electronic Liquid Level Switch for Monitoring 2 Tanks/Wells 10A AC/DC24V-240V

GEYA GRL8-03 Level Control Relay Electronic Liquid Level Switch for Monitoring 2 Tanks/Wells 10A AC/DC24V-240V

$21.71 $32.40

9 sold

Categories: Home Improvement, Electrical Equipment & Supplies

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22% off
DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

DC5V Self-locking Single-key Bistable Relay Switch 1-channel Relay Module High-level Relay for Industrial Equipment Control

$5.23 $6.71

Categories: Home Improvement, Electrical Equipment & Supplies

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34% off
Single Channel Liquid Level Probe Relay Module DC12‑24V Water Level Controller Adjustable Dela for Water Tank Pump Control Single Channel Liquid Level Probe Relay Module DC12‑24V Water Level Controller Adjustable Dela for Water Tank Pump Control

Single Channel Liquid Level Probe Relay Module DC12‑24V Water Level Controller Adjustable Dela for Water Tank Pump Control

$8.16 $12.43

Categories: Home Improvement, Electrical Equipment & Supplies

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27% off
10X 4 Channel Relay Module 5V 12V Board Shield With Optocoupler Isolation Support High And Low Level Trigger 12V 10X 4 Channel Relay Module 5V 12V Board Shield With Optocoupler Isolation Support High And Low Level Trigger 12V

10X 4 Channel Relay Module 5V 12V Board Shield With Optocoupler Isolation Support High And Low Level Trigger 12V

$212.06 $290.50

Categories: Home Improvement, Electrical Equipment & Supplies

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8% off
Relay Module 2 Button Switch ON OFF High Level Trigger Circuit Power Board DC 12V K71RS Relay Module 2 Button Switch ON OFF High Level Trigger Circuit Power Board DC 12V K71RS

Relay Module 2 Button Switch ON OFF High Level Trigger Circuit Power Board DC 12V K71RS

$50.64 $55.13

Categories: Home Improvement, Electrical Equipment & Supplies

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55% off
Single Channel Liquid Level Probe Relay Module DC12-24V, Adjustable Delay Controller for Water Tank Pump Control Single Channel Liquid Level Probe Relay Module DC12-24V, Adjustable Delay Controller for Water Tank Pump Control

Single Channel Liquid Level Probe Relay Module DC12-24V, Adjustable Delay Controller for Water Tank Pump Control

$71.10 $158.00

Categories: Home Improvement, Electrical Equipment & Supplies

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69% off
Solar Water Level Monitor Temperature Controller Gauge Integrated Probe Unit Household Heating System Management Device Tool Solar Water Level Monitor Temperature Controller Gauge Integrated Probe Unit Household Heating System Management Device Tool

Solar Water Level Monitor Temperature Controller Gauge Integrated Probe Unit Household Heating System Management Device Tool

$26.09 $84.17

Categories: Home Improvement, Electrical Equipment & Supplies

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35% off
1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion Board for Arduino 1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion Board for Arduino

1 Channel Relay High Level Trigger Relay Module 3.3-5.5V Relay Board MCU Development Board Expansion Board for Arduino

$34.61 $53.25

Categories: Home Improvement, Electrical Equipment & Supplies

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