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Ensure the "Main/Sub" settings are correctly configured via the internal function switches to avoid communication conflicts
This genuine OEM part serves as the advanced replacement for the obsolete HH18HA350
Is the mounting gasket included with this part
or flow switch trip errors on the boiler control board
Lennox 12L04 Manifold R-407A Ensure the "Main/Sub" settings areThe Lennox 12L04 4 Burner Gas Manifold is a critical OEM replacement component engineered for precise fuel distribution in residential and commercial gas fired furnaces. Also identified by catalog number 104069 02, this manifold is designed to ensure uniform gas pressure across the burner assembly, preventing inefficient combustion or delayed ignition. For technicians performing system restoration, the Lennox HVAC 4 burner manifold provides exact port
US$ 50.00
US$ 45.00
US$ 45.00
