Johnson Controls A-4000-1037 Filter It is rated for 3/8"

It is rated for 3/8" NPT pipe sizes and handles a 1/2 PSI maximum inlet pressure with an outlet pressure range of 2

which is the standard size for most Nordyne small-frame inducer motors

Check for blocked vents

ensuring the combustion process only continues when the draft inducer motor maintains the required negative pressure

This specific York rollout switch is a manual reset model

Johnson Controls A-4000-1037 Filter It is rated for 3/8"As a seasoned technician, you know that keeping oil aerosols and vapors out of pneumatic lines is non negotiable for system longevity. The Johnson Controls A 4000 1037 is a critical inline oil removal filter designed specifically for pneumatic control systems where air purity is paramount. Featuring a 1 4" barb connection, this compact unit serves as a high efficiency coalescing filter that traps sub micron oil particles before they can foul sensitive