The York S1-025-38948-000 is a precision-engineered 24V Reversing Valve Coil designed for high-duty cycle performance in residential and light commercial heat pump systems

Specifically engineered for integration with Selectra Series 20

Environmental Resilience: Encased in a corrosion-resistant aluminum housing to prevent failure in high-humidity outdoor condensers

or diagonal—provided the flow direction matches the arrow on the body and the vent is protected from debris and moisture

Does it include the harness

Lochinvar & A.O. Smith 100110973 Switch 318423-701 The York S1-025-38948-000 is aThe Lochinvar & A. O. Smith 100110973 Blocked Flue Switch is a critical safety component designed for high efficiency boilers and commercial water heaters. As a veteran technician knows, this negative pressure switch (often referred to as a spill switch) is engineered to sense obstructions in the venting system, protecting the heat exchanger from hazardous flue gas recirculation. When the integrated sensor detects a lack of proper draft or a blocked