it handles an operating pressure range of 0 to 20 PSIG with an air capacity of 1

The thermomagnetic safety mechanism relies on a millivolt signal generated by a compatible thermocouple

If the seat is scarred

This burner safety control manages the motor

Lennox 17F50 Header Box Kit 318973-401 it handles an operating pressureThe Lennox 17F50 Cold End Header Box Kit is a critical OEM replacement part designed for high efficiency 90% AFUE and above condensing gas furnaces. As a primary collector box assembly, this kit manages the corrosive condensate generated during the heat exchange process, preventing fluid backup that can lead to pressure switch trips and furnace lockout. This heavy duty header box kit (Lennox 619598 46) is engineered for a precise fit on EL296, ML195,