Lochinvar & A.O. Smith 100135316 Burner Freon What is the difference between

What is the difference between the ET-15 and ETX-15

this Apollo 10-104-05 model is the industry standard for maintaining system integrity by preventing excessive pressure build-up from thermal expansion or control failure

Is this switch compatible with propane (LP) units

gas valves

Lochinvar & A.O. Smith 100135316 Burner Freon What is the difference betweenMaintaining peak combustion efficiency in Lochinvar Copper Fin systems requires high grade components engineered for high input applications. The Lochinvar & A. O. Smith 100135316 Burner is a precision manufactured main burner assembly designed to deliver a stable, reliable flame pattern across various residential and commercial heating platforms. This authentic OEM replacement burner is physically and functionally identical to the BNR3501 burner,