Lennox 77W04 Gas Valve THPU32HP7Y This board is confirmed for

This board is confirmed for use in a wide range of A-series and M-series outdoor units

Key Technical Benefits: Universal Compatibility: Serves as the direct cross-reference for multiple Trane and American Standard legacy part numbers

this component effectively dampens high-frequency sound waves and pulsating gas vibrations in the discharge line

OEM Integration: Pre-programmed for immediate drop-in compatibility with specific York and Source 1 equipment

including water and glycol mixtures

Lennox 77W04 Gas Valve THPU32HP7Y This board is confirmed forThe Lennox 77W04 Gas Valve is a critical OEM component specifically engineered for multi stage heating systems requiring high precision fuel regulation. This 24v 2 stage gas valve (White Rodgers 36J55 254P1) is designed with a 1 2" NPT inlet and outlet, supporting both direct spark and hot surface ignition configurations. As a high performance HVAC replacement part, it handles a maximum pressure of 1 2 PSI with a factory set high fire of 3. 5" W. C.