This hot water heater thermostat is a direct replacement for various ProTech and Rheem-Ruud models

and mixed gas media

never cut the 20-foot capillary

Application Versatility: Ideal for direct-fired or indirect-fired make-up air units requiring a 55-90 degree setpoint

or a "hunting" condition where the valve cannot maintain a stable superheat

Lochinvar & A.O. Smith 100112345 Burner Assembly 318423-701 This hot water heater thermostatWhen you're out in the field servicing high output commercial or residential water heating systems, precision in combustion components is non negotiable. The Lochinvar & A. O. Smith 100112345 Burner Assembly is a factory authorized OEM burner replacement specifically engineered for natural gas water heaters. This NAT 16 inch burner assembly features a #39 orifice, ensuring a calibrated gas flow for consistent thermal transfer and optimal flue gas CO2