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The PARTS TO YOUR DOOR 51263 is a replacement burner assembly designed for Peerless MCB-MI series boilers equipped with a standing pilot ignition system. This part includes the standing pilot bracket and serves as a direct replacement under cross-reference number YY3012. It is installed by licensed heating contractors and plumbers during routine service or burner replacement on gas-fired boilers. The assembly is engineered to restore proper combustion function in the systems it serves, making it a reliable choice for service technicians working on Peerless heating equipment.
This burner assembly is intended for use in residential and light commercial gas-fired boiler applications. It fits Peerless MCB-MI series units and is a common service part when a standing pilot burner assembly requires replacement due to wear, damage, or system upgrade. Installers familiar with Peerless boiler service will recognize this as a standard replacement component for the MCB-MI platform.
Compatible with Peerless MCB-MI series gas-fired boilers equipped with standing pilot ignition. Cross-references Peerless part number YY3012.
Installation should be performed by a licensed HVAC technician or plumber qualified to work on gas-fired heating equipment. Shut off the gas supply and allow the boiler to cool completely before beginning any burner replacement work. Verify the standing pilot bracket alignment and all gas connections are secure before restoring gas flow and relighting the pilot. Work should comply with applicable local codes and the International Fuel Gas Code (IFGC).
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