Bypass valve help

Mike in Texas said:

Will this work with my Paxton 1220? http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=260672378951&_trksid=p2759.l1259. Seller won't say yes or no. It's a dual o-ring, piston valve.

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Mike that listing is closed, almost any bypass of blow off valve will work as long as it has the provision to recirculate the air back into the inlet pipe. The largest issue is usually the mating flange with any of the aftermarket valves, you may need to weld it to your pipe assuming you have the metal discharge tube.
I have a stock style black plastic BOSCH brand new at the shop if you need one. This is the same one that comes with them stock, along with the Vortechs...good for up to 15-18psi. Rick91GT@comcast.net