High Efficiency: NEMA Premium certification ensures maximum energy savings and lower heat output during continuous operation

What is the difference between the WT and the WR models

Its heavy-gauge windings and open-frame design facilitate optimal airflow and heat dissipation

This part number typically refers to the Pyrolite chamber itself

York S1-025-45247-000 Expansion Valve 320788-702 High Efficiency: NEMA Premium certificationWhen you're troubleshooting short cycling or improper superheat in a York HVAC system, the York S1 025 45247 000 Expansion Valve is a critical OEM replacement part for restoring precise refrigerant flow control. This thermostatic expansion valve (TXV) is engineered with a 3 8" inlet and a 5 8" outlet, utilizing a standard 3 4 inch Chatleff connector to ensure a secure, leak proof integration into the evaporator assembly. Designed specifically for R