Lochinvar & A.O. Smith 100074271 Valve 326070-701 Featuring a direct ODF solder

Featuring a direct ODF solder connection

the MK4-3121 utilizes an internal spring-return mechanism that automatically retracts the actuator shaft upon loss of supply air

and Payne furnace assemblies

double-throw (SPDT) switch allows you to wire the control to open the circuit on temperature drop for cooling safeties or close a circuit for heating/alarm applications

Lochinvar & A.O. Smith 100074271 Valve 326070-701 Featuring a direct ODF solderThe Lochinvar & A. O. Smith 100074271 Water Control Valve is a critical OEM replacement component designed for high efficiency hydronic systems and tankless water heaters. As a precision engineered water flow regulator, this valve maintains optimal thermal transfer by modulating the volume of water entering the heat exchanger. This ensures that the system hit target discharge temperatures without cycling issues or pressure fluctuations. For