75 psi for every one-degree change in temperature sensed by the 18-inch stem

preventing nuisance furnace short cycling

replacing the sleeve during scheduled filter element maintenance prevents premature loading of finer coalescing stages

all of which indicate a restricted or failing York expansion valve

the Watts 26AC series is specifically engineered for water applications

Lennox 58W06 Header Box 328140-751 75 psi for every one-degreeThe Lennox 58W06 Header Box is a critical OEM replacement component engineered for high efficiency condensing gas furnaces. As a primary plastic header box (often referred to as a cold end header box or collector box), this unit is responsible for managing the collection and drainage of corrosive condensate produced during the secondary heat exchanger's combustion process. Built from high grade, corrosion resistant compounds, the 58W06 is designed to