for the trap vent to function as a vacuum breaker

and UBX series unit heaters that utilize electronic ignition control boards

For technicians servicing Trane chiller systems such as the AquaStream

this replacement valve insert can be swapped using the Danfoss 013G3084 tool

Lennox 61854 Burner Assembly Els PW 17895 for the trap vent toThe Lennox 61854 is a critical OEM replacement pilot burner assembly engineered for high performance gas fired furnace systems. This natural gas pilot assembly features a precision drilled . 017 orifice, ensuring calibrated gas flow for reliable ignition cycles and stable flame rectification. Designed as a direct drop in for several legacy and modern units, including Lennox G11 and G12 series furnaces, this component is the industry standard for