Key Benefits Compatible with Lochinvar FTX500L and FTX500N fire-tube boiler models for precise fuel-to-air ratio control

Does this switch resolve a "Pressure Switch Stuck Closed" error

Successful installation requires verifying your model and serial number against Carrier’s technical data to ensure the timing sequences and pin configurations match your heat pump’s requirements

These components ensure a leak-free connection between the pilot and the main valve diaphragm chamber

York S1-001-07116-000 Shaft 321894-709 Key Benefits Compatible with LochinvarThe York S1 001 07116 000 Blower Shaft is a precision engineered HVAC replacement shaft designed for heavy duty commercial and residential air handling units. Measuring 1. 187 inches in diameter by 26. 75 inches in length, this solid steel shaft is manufactured to strict centrifugal blower tolerances to minimize runout and vibration. When performing a blower wheel assembly repair, using an OEM York shaft replacement ensures correct fitment with