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The Armstrong Furnace H4TXV03-1 TXV Valve is a critical high-precision metering device engineered to optimize the performance of R410A refrigerant systems
000 BTU/hr to handle high-output boiler systems safely
ensuring high-accuracy temperature and pressure regulation across all main valve sizes
This specific model is configured for natural gas
Note that body gaskets are typically sold separately
Lennox 51M91 Gasket 320788-702 The Armstrong Furnace H4TXV03-1 TXVThe Lennox 51M91 Blower Gasket is a critical high temperature seal designed specifically for Lennox furnace blower assemblies and 4 inch inducer motor housings. Engineered to withstand the thermal cycling inherent in high efficiency HVAC systems, this 4 inch blower gasket ensures an airtight seal between the blower housing and the furnace cabinet, preventing bypass air and maintaining static pressure integrity. This OEM replacement component is vital
