this is the official genuine OEM replacement for many high-efficiency York models

Robust Construction: Rated for a maximum water pressure of 160 psi and temperatures up to 250°F

also identified as the WVFX-40

Remove the cap and turn the adjustment screw clockwise to increase the pressure setpoint or counter-clockwise to decrease it

most trips are symptoms of restricted airflow

Carrier T111603027 Transformer 326058-755 this is the official genuineThe Carrier T111603027 Transformer is a high capacity, multi tap power solution designed for heavy duty HVACR applications. This 75VA control transformer features a versatile primary winding capable of handling 120V, 277V, 380V, and 575V inputs, providing a stable 24V secondary output for control circuits. Engineered for consistency in demanding field conditions, it is a critical component for powering contactors, relays, and solid state boards in