While the valve body can be mounted in various positions

while maintaining a high airflow rating of up to 2000 CFM

System Protection: Acts as a primary furnace safety switch to prevent overheating and potential structural damage to the heat exchanger

Trust this OEM-spec pneumatic restictor kit to restore linear response and stability to your commercial HVAC air lines

Is the P500472 the same as a flame rollout switch

York S1-025-41330-000 Freezestat Els PW 17895 While the valve body canThe York S1 025 41330 000 is an OEM SPST Freezestat designed for precise low limit control in commercial and residential HVAC systems. This HVAC freeze protection switch features a fixed setpoint, engineered to open at 26F and close at 38F, preventing catastrophic ice buildup on evaporator coils or chilled water coils. By monitoring discharge air or refrigerant temperature, the York S1 025 41330 000 acts as a primary safety interlock, cutting power to