Poseidon 1st Stage Discharge Valve Insert
Fits: 012840, W1-2840, Poseidon
Includes: Valve insert, disc, spring, o-ring, gaskets.
100% made in USA
This 1st stage discharge valve fits the Bauer Poseidon Compressor part W1-2840. Fits models P135 and P150. It is recommended to replace suction plate and discharge valve as a set. If pressure is not building concurrently in the 2nd and 3rd stages it can be an indication that the 1st stage valves are not sealing correctly.