OL50135W #01AEDD

Old Part Numbers: 90480531/2" NPT for 3/8" Discharge Tube. Replace this if you hear air backfeeding from your tank through your pump or pressure switch.

Unit bogging down? Replace this if no continuity. If needle drops to zero and slowly rise, it is probably good.

Adjustable air pressure knob assembly. (Knob and Gauge sold separately).

1/4" NPT drain cock. Prevent rust from ruining your tank by draining your tank daily. Keep an extra around for a spare.Extra DetailsThis was a new check valve installed less than a year ago. Due to the tanks not being drained, this check valve failed...

1/4". 145PSI