the WAF-4 facilitates precise HVAC valve modulation and maintains stem alignment under high-demand hydronic conditions

While it is standard for Series 3G fittings

Always use a wet rag while installing this HVAC reversing valve

eliminating mounting modifications

York S1-025-41020-000 Expansion Valve Els PW 17895 the WAF-4 facilitates precise HVACThe York S1 025 41020 000 is an essential OEM 5 Ton Thermal Expansion Valve engineered for heavy duty residential and commercial HVAC applications. Designed specifically for R 22 refrigerant systems, this thermostatic expansion valve (TXV) provides the precision metering required to optimize evaporator efficiency. Featuring 3 8" x 3 8" inlet and outlet connections, the S1 025 41020 000 utilizes a 31" capillary tube and a remote sensing bulb to monitor