Air Pressure Switch KFR-1 3pins Gas Water Heaters and Wall-hung Boilers
Universal Air Pressure Switch KFR-1 3pins
The KFR-1 is a commonly used, universal wind pressure switch designed for gas water heaters and wall-hung boilers, featuring a 50*70MM size with plastic/metal construction.
It regulates air pressure to ensure proper combustion, operating between -40℃ and +85℃.
It is often replaced when experiencing ignition failures or unexpected flameouts.
Key Features and Specifications:
- Function: Detects air pressure/wind speed in gas boilers and water heaters to ensure safe operation.
- Specifications: Working pressure <600Pa, maximum pressure 2000Pa.
Electrical: 0.1A/125V AC (30VDC). - Durability: 200,000 cycle lifespan, operating in up to 95% humidity.
- Adjustability: Often adjustable,, making it compatible with various gas water heater models.
- Dimensions: Roughly 70*70MM
No original box






