When troubleshooting boiler burner issues or converting high-altitude units

you must use the correctly sized LP orifice (typically part 560-528-998) to prevent hazardous combustion conditions

replacing a clogged or oxidized orifice with this genuine 560-528-997 assembly restores factory-spec flame patterns and prevents carbon buildup

This OEM Weil McLain replacement part features a 2

Carrier LA660002 Fan Blade When troubleshooting boiler burner issuesThe Carrier LA660002 Fan Blade is a secondary cooling component engineered for high durability performance in specific Carrier, Bryant, and Payne furnace inducer assemblies. This black plastic cooling fan blade is a genuine OEM replacement part designed to dissipate heat from the inducer motor shaft, preventing premature motor failure and ensuring the structural integrity of the combustion blower system. Built with reinforced thermoplastic, this