Lochinvar & A.O. Smith 100275508 Board 30067439-890 The GC Valves CS3AH16A24 is

The GC Valves CS3AH16A24 is a specialized 24VDC high-temperature solenoid coil engineered for heavy-duty industrial and commercial process control

or Payne rooftop unit or air handler

so the system does not need to be drained for actuator-only repairs

Built for surface mounting

Lochinvar & A.O. Smith 100275508 Board 30067439-890 The GC Valves CS3AH16A24 isWhen you're out in the field and a boiler stops firing due to a communication error, you need the reliable Lochinvar & A. O. Smith 100275508 NKC150 Main Board to restore full system logic. This OEM Lochinvar replacement part is the primary HVAC control module designed to manage the high efficiency performance of NKC150N and NKC150P heating systems. By integrating advanced SMART SYSTEM boiler control circuitry, this board processes inputs from sensors