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Aux Comp Purge Valve - help

December 11, 2014, 10:02:06 am

Our purge valve on the aux. comp. under the clear water bowl has a twist valve attached that I must turn to allow water to flow out of this bowl.  There is a purge valve attached but the wires connected to it are cut so it doesn't work.  Would like to repair this and am looking for a part number and wiring diagram so I can get this working again.  Have checked beamalarm and some posts here but am not finding what I am looking for. 

As usual your help/assistance is appreciated. 

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Re: Aux Comp Purge Valve - help

Reply #1 – December 11, 2014, 12:21:00 pm

Scott, there is a solenoid valve on bottom of the bowl,which is normally open. Closes when compressor comes on.
Part # RAP6354 solenoid,n/o 1/8" 150 PSI SNGL.
I purchased mine at MOT.
I could not find it on line, maybe you can

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Re: Aux Comp Purge Valve - help

Reply #2 – December 11, 2014, 12:31:26 pm

Thanks Tom for the PN.  I also need to find how/where to wire so it functions.  The wires on my unit are cut and can not see where they were attached.

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Re: Aux Comp Purge Valve - help

Reply #3 – December 11, 2014, 12:50:30 pm

Scott, there are two wires one of which is grounded and the other goes to the pressure switch on the compressor.
There is a very good schematic on Barry's website.

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