Water Flow Switch
Our water flow switches are widely used for household water heaters, boilers, and fireplaces for a water flow control. They are durable, safe, and long-term switches that feature a quick response and easy connections. Based on your specific application needs, we offer customization services for water flow switches to achieve an optimal start flow.
SCG-1W-S18 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DCS(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1W-S18 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DCS(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-2-S35 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DCS(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-2-S53 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-2-S53-3 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-2-S54 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=7.5Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-2-S55 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa | ≤1.75Mpa |
SCG-2-S57 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S58 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S59 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S59-2 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-2-S64 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=6.9Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S73 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=7.5Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S75 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S76 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-2-S77 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.3Q+2(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S78 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S80 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S81 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S83 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S85 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S86 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S97 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S92 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S96 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S95 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T01 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T03 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T10 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T69 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T52 Water Flow Switch
Operating voltage | 5V-18V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T61 Water Flow Switch
Operating voltage | 5V-18V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T69-1 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T71 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T72 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T74 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T82 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T89 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T90 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T105 Water Flow Switch
Operating voltage | 5V-12V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T113 Water Flow Switch
Operating voltage | 5VDC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T114 Water Flow Switch
Operating voltage | 5V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-T117 Water Flow Switch
Operating voltage | 5V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
SCG-1-S121 Water Flow Switch
Operating voltage | 5V DC |
Maximum operating current | 25mA(DC 12V)/15mA(DC 5V) |
Load capacity | ≤15mA DC12≤10mA DC5(RPLUS=1kΩ) |
Start flow | ≤1.5L/min |
Flow pulse characteristics | f=8.1Q-3(f Frequency Hz, Q Flow L/min) |
Accuracy (flow rate-pulse output) | 3-17L/min±10% |
Allow pressure resistance | ≤1.75Mpa |
Zhejiang Hua Di Electronics Co. is a dedicated supplier of essential components used in HVAC systems and other appliances. Established in 1995, we are an experienced manufacturer, mainly producing water flow switches/sensors, air pressure switches/sensors, water pressure switches, and pressure sensors. These HVAC accessories provide outstanding reliability and precision when used in your gas boilers, water heaters, gas furnaces, water filters, dish washers, and other applications.
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