Replacement is required when the pressure drop reaches 10 psi or annually to maintain system efficiency and protect downstream equipment

it features a 60

keeping this Lennox replacement part on the truck ensures reliable restoration of the defrost logic and motor switching functions

Common Questions: Is the EK-304 compatible with POE oils

or a compromised compressor motor

Field Controls 46198901 Control Els PW 17895 Replacement is required when theThe Field Controls 46198901, specifically the Model 4" MG1, is a professional grade double acting barometric draft control designed for precise combustion stability in gas fired furnaces and boilers. Engineered for high efficiency venting systems, this 4 inch regulator stabilizes erratic automotive drafts caused by fluctuating outdoor temperatures and wind velocities. By maintaining a constant negative pressure between . 01" and . 1" water column