Using the correct Lennox furnace orifice size prevents common combustion issues like soot buildup or inefficient burner patterns

Whether you are servicing a standard 143-80-1 or an internal relief 143-80-2 model

it is best practice to mount one on each side to maintain physical symmetry

Key Benefits High Amperage Rating: Rated for 40 Amps FLA and 240 LRA at 230V

Its robust construction is tailored for high-temperature furnace environments and high-moisture cooling applications

Resideo PV075 Eliminator 323055-751 Using the correct Lennox furnaceThe Resideo PV075 Eliminator is a high performance 3 4" NPT air vent designed for critical air removal in hydronic heating and cooling systems. Built for professional contractors, this automatic air vent utilizes a reliable float mechanism to purge air pockets that cause system noise and component corrosion. The Resideo Braukmann PV Series handles a maximum pressure of 150 PSI and temperatures up to 240F, making it suitable for high demand residential