Why is the 90-degree orientation important

ensure the housing gaskets are sealed to prevent flue gas leakage

These flanges are engineered to meet the standard operating pressures of Grundfos UPS circulators

minimizing labor time on the job site

this kit replaces the legacy ICP 1177394 ignition board

Lennox 56L55 Orifice 321894-706 Why is the 90-degree orientationThe 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