Lochinvar & A.O. Smith 100110887 Switch 319848-301 Always verify the refrigerant used

Always verify the refrigerant used in the existing system before replacement

The Nordyne 632492R Pressure Switch is an essential safety component designed for specific furnaces and air handlers

Measuring approximately 13

Using a genuine Reznor unit heater part ensures that the static pressure and airflow profiles remain within the manufacturer's original design parameters

Rapid Response Sensing: High-sensitivity capillary tube ensures accurate boiler water temperature monitoring

Lochinvar & A.O. Smith 100110887 Switch 319848-301 Always verify the refrigerant usedThe Lochinvar & A. O. Smith 100110887 Blocked Outlet Switch is a critical safety component engineered for BTH 400A Series 100 101 gas water heaters and compatible Lochinvar Knight boilers. This normally closed switch is calibrated to a 1. 39 inch water column, providing precise monitoring of the exhaust vent airflow. Designed to detect back pressure or obstructions in the flue, it serves as a fail safe by interrupting the 24V control circuit to the