FBN3500) and FTXL (FTX400 through FTX850) models

Upgrading to a higher FLA rating like the R42540 can often improve the service life of the contact points under heavy cycling

Key Benefits Precise Flame Sensing: Features a high-response thermocouple that maintains the necessary millivolt signal to keep the gas control valve open during operation

Common Questions What is the maximum torque capacity for this actuator

one-box solution for solenoid valve maintenance

Lochinvar & A.O. Smith 100111732 Pressure Switch 323613-751 FBN3500) and FTXL (FTX400 throughThe Lochinvar & A. O. Smith 100111732 Pressure Switch is a critical safety component engineered for high efficiency boilers and commercial water heaters. This . 75" WC air pressure switch (normally open) is designed to monitor the pressure differential across the heat exchanger, ensuring that the inducer motor is moving a sufficient volume of combustion air before the ignition sequence initiates. As a veteran preferred OEM replacement part, the