Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Stainless - 2 in. T.C. Check Valve (1 PSI) by baggins brew Save Liquid error (product-badge line 32): Computation results to '-Infinity'% $83.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Description Description This is a Stainless Steel one way Check Valve. It has 2" T.C. Fittings on either side, and releases pressure at ~1 p.s.i.Can be used to inhibit a siphon in certain applications, or to vent gas pressure in a tank.