this is the precise HVAC replacement motor required

including hot surface ignition (HSI) and direct spark ignition (DSI) setups

When performing a condenser fan motor replacement

Is the SP20170A compatible with LP (Propane) systems

Lochinvar & A.O. Smith 100275508 Board 30067439-890 this is the precise HVACWhen 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