the unit may fail to fire or cycle prematurely

these gaskets maintain a reliable seal at temperatures up to 300°F (149°C)

reducing static pressure and maintenance calls

Can these be used to lock or unlock the guard while the key is in any position

Lochinvar & A.O. Smith 100208655 Flow Switch L99H008 the unit may fail toThe 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