YWBL-WH HFS-25 1inch Thread Paddle Type Liquid Water Flow Paddle Control Switch SPT AC220V 15A with Paddles, Flow Switch

$19.29

Water Flow Switch, PDT R3/4 Liquid Water Oil Sensor Control Automatic Paddle Type Flow Switch 15A 250V IP54, HFS-20 Target Flow Controller, Controls Flow in Pipes

$8.49

GURSAC FS51-11 Flow Switch 220V 15A Water Flow Switch Paddle Control, Water Flow Control 1.0Mpa Liquid Flow Switch SPDT 1 NPT Copper Connection

$230

Baomain Paddle Flow Control Switch HFS-25 Red AC 250V 15A SPDT G1" Cooling System Water

$117.83

Flow Switch, 6-380V HFS-25 1" 1.0MPa Water Flow Switch Paddle Control Water Flow Switch Partial Stainless Steel Type Switch SPDT Contacts

$13.99

SPDT R3/4 Thread Paddle Type Liquid Water Oil Flow Sensor Switch Automatic Control 15A 250V HFS-20

$49.95

6-380V 1" Paddle Control Water Flow Switch, Partial Stainless Steel Type Flow Switch 1.0MPa SPDT Contacts

$336.56

Liquid Water Flow Paddle Control Switch, 1Pc 5.2-23L/Min Stable Electrical Water Valve High Safety Liquid Flow Switch 1.0MPa IP54 for Fire Control Air Conditioner

$558

HFS-25 1"/dn25 Flow Switch,Liquid Water Flow Paddle Control Switch SPDT Contacts 6-380V

$10.99

Water Pump Flow Sensor, HT30 11 110V G1" Thread Water Flow Sensor Switch Brass Electronic Pressure Automatic Control Switch for Booster Pump,Control Switch

$8.49

Water Pump Flow Switch, 1 PCS HT-30 AC 0-110V 0.2A G3/4"-3/4" Thread Water Pump Flow Sensor Switch, Water Flow Control Switch Sensor

$178.67

DIGITEN FS-C02 G3/4" BSP Male Thread Brass Water Flow Switch 1-30L/min, 0-2A/ 0-220V(AC or DC)

$48.99

2 PCS Water Flow Sensor Switch, Magnetic Hall Effect Flow Meter FS G1/2 Double External Thread Water Flow Control Equipment,0.75L/min Flow Meter Counter

$12.79

Liquid Level Float Sensor Switch, Water Floating Switch Side Mounted 304 Stainless Steel 1/2NPT Male Thread DC0-110V, Garden Pond Liquid Water Level Sensor Switch

$30.12

SEN-DB50 2PT Female Thread Brass Paddle Type Flow Switch Flowmeter 150L/Min 70W

$7.99

1Pcs Pump Flow Switch HT‑60 Water Flow Switch AC220V 0.5A G1/2in‑ 1/2in Thread Water Pump Flow Sensor Switch

$8.49

Water Flow Sensor Switch, HT-800 G1 Thread 220V Water Pump Flow Sensor Automatic Control Switch for Low Pressure Area Family

$8.99

Aopin Water Level Sensor Switch Stainless Steel,Liquid Level Sensor Float Switch, Ball Float Controller for Water Pump Fish Tank Cistern Sump Filter Aquarium Swim Pool Garden Pond Liquid 2 Pcs

$8.99

GamaTech Pressure Switch for Water Pump and Air Pump, Digital Adjustable Pressure Controller, 110V, 0-145 Psi, 1/2" Male Npt

$12.99

HFS-15 1/2" 6-380V Target Water Treatment Water Flow Paddle Switch, Adjustable Liquid Flow 220VAC, 15A

$149.9

Aopin Liquid Level Switch Sensor PP, Water Liquid Level Sensor Float Switch, Plastic Ball Float Controller for Water Pump Fish Tank Cistern Sump Filter Aquarium Swim Pool Garden Pond Liquid 1 Pcs

$108.85

Hilitand 1/2" Water Flow Switch, HFS-15 Adjustable Thread Double Throw SPDT 220VAC 15A Water Flow Control 1.0Mpa

$167.85

Float Switch Water Level Indicator Float Switch for Water Tank Liquid Level Sensor,Liquid Water Level Float Side Mounted 304 Stainless Steel 1 2NPT Male Thread 0 110V

$14.99

Roamoris AC 110V~120V Sump Pump Switch Control Automatic Water Level Controller Spply and Drain Mode with 6.5ft Detector Sensor, Liquid Level Switch Relay ,Electric Solenoid Valve,Ball Valve,Pump WC01

$89.99

Water Flow Switch Universal Flow Sensor Switch 1/2 Inch AC/DC 110V Pipe Boosting Pump Flow Switch Controller for Low Water Pressure Solar Heater Shower Water Circulation

$11.99

Aopin Water Level Sensor Switch Stainless Steel,Liquid Level Sensor Float Switch, Plastic Ball Float Controller For Water Pump Fish Tank Cistern Sump Filter Aquarium Swim Pool Garden Pond Liquid 2 Pcs

$16.99

Control Devices - DP25-1A060 Brass Cable Operated Drain Valve, 1/4" Male NPT

$11.79

Water Flow Switch, LKB-01D Water Flow Switch 250V 15A RC1 "Two Way Water Flow Switch IP54 Flow Switch Flow Valve 1.0MPa SPDT Contacts for fire safety air conditioners

$20.49

Aopin Water Level Sensor Switch Stainless Steel,Liquid Level Sensor Float Switch, Plastic Ball Float Controller For Water Pump Fish Tank Cistern Sump Filter Aquarium Swim Pool Garden Pond Liquid 1 Pcs

$6.99

Aopin Water Level Sensor Switch Stainless Steel,Liquid Level Sensor Float Switch, Plastic Ball Float Controller For Water Pump Fish Tank Cistern Sump Filter Aquarium Swim Pool Garden Pond Liquid 1 Pcs

$13.48

FS-04 Water Flow Switch Sensor G3/4in Double Male Thread Piston Type Water Oil Flow Switch 304 Stainless Steel Protection Switch

$8.49

uxcell DC130V 10W 1.2-12L/min 8mm Two Wires Magnetic Type Water Flow Switch Flow Counter

$116.99

Flow Switch, Grid Controls 1" with Two Cords, M310 10A Flow Switch, Chemical dosing Control, for Pump-57-F4-3100-112

$7.99

Liquid Level Sensor, Liquid Water Level Sensor Float Switch Side-Mounted 304 Stainless Steel 1/2NPT Male Thread DC0-110V, Model: YZ-SUS304 (A Type)

$23

Float Switch Water Level Sensor, Stainless Steel Double Ball Fish Tank Liquid Float Switch Water Level Controller for Water Tank, Pool, Sink, Fish Tank, etc(4 Size)(100mm)

$22.33

KUIDAMOS Pump Flow Sensor Automatic Control Flow Switch practical water flow control easy to use 110V G1in for liquid pressure system

$23.59

KadimendiumLiquid Water Level Float Sensor Switch Side Mounted 304 Stainless Steel 1/2NPT Male Thread DC0-110V Float Switch for Aquarium Fish Tank (1)

$6.99

Grid Controls Flow Switch, M-225, 25A, 115v, 2" Spigot

$102.95

12V DC Water Level Controller Module Water Level Detection Sensor Automatic Liquid Control Switch PCB Board Supports Automatic Water Pumping/Filling/Draining

$16.99

W.E. Anderson® Vane Flow Switch, FS-2, 1" MNPT, Low Cost, Field Adjustable Set Point & Paddle

$149.9

DC0-110V Liquid Water Level Sensor, Float Sensor Switch, Male Thread 1/2 NPT 304 Stainless Steel, Suitable for Liquids of Different densities, pressures and temperatures

$12.08

FLOW SWITCH, Grid Controls 1" M210 Flow Switch with electrical box, dual receptacle and cord, Chemical Dosing Control, For Pump

$558

Dwyer Flotect Series V10 Mini-Size Flow Switch, Brass Housing, Normally Open or Closed, Pressure Range 0-1000 psig, 1/2'' Male NPT

$7.49

DC 12V Liquid Level Sensor 2 in 1 Switch Relay Module Pump Pour Water Automatic Controller Pack of 2

$8.99

Water Pressure Switch 30-50 psi Well Pump Pressure Switch Electric Auto Control Adjustable Differential 1/4" Female NPT

$29.56

Square D 9013 FSG2 30/50 Schneider Electric FSG2J21CP 30-50 PSI Pumptrol Water Pressure Switch

$17.95

ITT McDonnell Miller FS254 FS254 FLOW SWITCH 1" #120610

$102.95

ALAMSCN 6PCS Water Level Sensor Horizontal Liquid Float Switch Flow Inductance Water Pump Controller DC 110V for Aquariums Fish Tank Hydroponics Pool (M16)

$13.99

TWTADE Momentary Polarity Reverse Switch Waterproof DC 12V 10A Control Motor for Hoist, Crane, Linear Actuator 6 Pin 3 Position (ON)-Off-(ON) AC 110V-220V Rocker Toggle Switch with Wire KCD4-223-JT

$7.99

HiLetgo G1/2" Water Flow Hall Sensor Switch 1-30L/min 1.75MPa Flow Meter Flowmeter Counter Water Flow Sensor

$13.49

TWTADE 3 Pcs Momentary Heavy Duty Rocker Toggle Switch 6 Pin 3 Position (ON)-OFF-(ON) DPDT 16A 250VAC Spade Terminal Metal Boat Switch With Waterproof Boat Cap And 6.3mm Terminal Wires TEN-223MZX-B223

$9.99

Water Pressure Switch 40-60 PSI Well Pump Pressure Control Switch Electric Auto Control Adjustable Differential 1/4" Female NPT

$17.99

Pump Water Flow Sensor Machine G1/2 Thread for Booster Pump Magnetic Automatic Control Switch

$20.49

uxcell PP Float Switch for Water Pump Tank Liquid Water Level Sensor M10 115mm Length Blue 2pcs

$18.49

Flow Switch Assembly GLX-FLO-RP for Hayward Goldline Aquarite Salt System, Pool Flow Sensor Suitable for Hayward Salt Cell and Chlorine Generator, with 15-Foot Cable Flow Switch

$69.99

Gikfun M8 Liquid Level Sensor Fish Tank Water Float Switch PP Plastic Ball Float Controller DIY Kit for Arduino EK1373x3

$15.27

Shower Valve, Aomasi Brass Construction Water Flow Restrictor High Pressure Controller Universal Handheld Shower Hose Bidet Sprayer Switch with Lever Handle Brushed Nickel

$10.8

Liyafy 5 Pcs Right Angle White Plastic PP Float Switch Fish Tank Liquid Water Level Control Sensor XSL-3508-P

$7.99

YXQ Angle Float Switch Stainless Steel NO NC Adjustable Water Level Sensor Fish Tank L Shaped Side Mounted M10x1.5mm,DC100V

$22.33

Maxmoral 2pcs M16 Water Level Sensor Flow Inductance Water Pump Controller DC 110V Side Mount Horizontal Liquid Float Switch for Aquariums Fish Tank Hydroponics Pool

$18.55