the Siemens 656-601 Repack Kit is the professional standard for restoring the integrity of Powermite 656 series valve stems

this kit replaces the legacy ICP 1177394 ignition board

ensure the housing gaskets are sealed to prevent flue gas leakage

Engineered as a direct replacement for HC680063

Lennox 56L55 Orifice 321894-706 the Siemens 656-601 Repack KitThe Lennox 56L55 Orifice is a genuine OEM component engineered for precision fuel regulation in high efficiency gas furnaces and packaged rooftop units converted for liquid propane (LP) gas usage. This #52 LP orifice is critical for maintaining the correct stoichiometry in the burner assembly, ensuring stable combustion and preventing soot accumulation or delayed ignition often caused by improper drill sizes. Whether you are performing a natural gas