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this valve eliminates installation guesswork and ensures proper fitment within Trane air handlers and terminal units
the 421-664 provides a direct-fit solution that maintains the OEM performance standards of Webster burner ignition systems
Built to EIA-456 standards with unpainted aluminum construction
simplifying field swaps and reducing downtime
Lochinvar & A.O. Smith 100111591 Burner 340155-7026 this valve eliminates installation guessworkThe Lochinvar & A. O. Smith 100111591 is a high performance 14 inch burner assembly specifically engineered for commercial and residential natural gas (NG) water heaters and boilers. This OEM water heater burner features a factory calibrated #39 orifice to ensure precise gas to air mixing, facilitating optimal combustion efficiency and reducing pollutant output. Built to the rigorous standards of Lochinvar and A. O. Smith, this final burner assembly
