This specific winter start control is designed for cooling-only split systems and is typically not required or used on heat pump applications

The Siemens 243-0018 is a non-adjustable logic relay

the ICP 1172472 is specifically chosen for its shunt

or debris before applying the new gasket to ensure a consistent

Operating at a 1755 RPM base speed

Lochinvar & A.O. Smith 100110220 Gas Valve 340793-762 This specific winter start controlThe Lochinvar & A. O. Smith 100110220 Gas Valve is a critical replacement component designed for high efficiency water heaters and boilers, including many models in the Lochinvar Copper Fin II and Knight series. This 1 inch NPT natural gas valve operates on a 24V control circuit and is factory set to a 3. 5" water column (WC) outlet pressure, ensuring the precise fuel to air mixture required for clean combustion. As a direct replacement for part