Trane VAL7991 TXV 319848-301 this SPST (Single Pole Single

this SPST (Single Pole Single Throw) switch ensures the combustion blower is moving sufficient air to safely vent flue gases before the ignition sequence initiates

As an OEM Carrier furnace part

maintaining a proper seal at the chamber face is non-negotiable for system efficiency and safety

providing the necessary phase shift for both the compressor (35 microfarad) and the condenser fan motor (5 microfarad)

The York S1-029-25430-000 smoke detector is a critical engineering component designed for high-performance HVAC duct smoke detection

Trane VAL7991 TXV 319848-301 this SPST (Single Pole SingleThe Trane VAL7991 TXV is a high precision thermostatic expansion valve engineered for 1. 5 ton HVAC systems. Designed for professional refrigerant flow control, this valve features 5 16 inch ODF x 5 8 inch ODF connections and includes a 36 inch capillary tube to ensure accurate superheat monitoring at the evaporator outlet. As a critical component in maintaining system efficiency, the Trane VAL07991 (the updated OEM part number) modulates refrigerant