Lochinvar & A.O. Smith 100208655 Flow Switch 326070-701 If your furnace ignites but

If your furnace ignites but shuts down after a few seconds

and food-warming equipment

maintaining head pressures within the required range and preventing compressor overheating during high-ambient operation

Common Questions Is this repair kit compatible with 3-way PopTop valves

Lochinvar & A.O. Smith 100208655 Flow Switch 326070-701 If your furnace ignites butThe Lochinvar & A. O. Smith 100208655 Flow Switch is a critical safety component designed for Copper Fin II pool heaters and commercial water heating systems. This OEM replacement flow switch features a 2 inch NPT connection and SPST (Single Pole Single Throw) circuitry to provide precise water flow monitoring. By verifying adequate flow before ignition, it prevents dry firing and high limit trips, safeguarding the heat exchanger from thermal stress