the Johnson Controls PSH100A100A is rated for 50/60 Hz operations

ensuring the appliance maintains optimal setpoints while preventing dangerous high-limit conditions

this furnace air pressure switch prevents ignition under hazardous conditions such as blocked flues

Smith high-efficiency commercial water heating units that specify this part number

The counter-balanced weighted arm allows for field-adjustable pressure settings up to 0

Trane VAL8557 Valve 319825-402 the Johnson Controls PSH100A100A isThe Trane VAL8557 is a precision engineered 2 way zone valve designed for effective fluid flow regulation within commercial and residential hydronic systems. This 1. 3 Cv valve body is optimized for modular integration, provided less actuator to allow technicians the flexibility to pair it with specific control motors based on site requirements. Featuring a robust 1 2 inch connection, the VAL8557 ensures consistent performance in high demand