Bell & Gossett 110190 1/2" Lead Free B-38 Water Pressure Reducing Valve (PRV) Specifications: 1/2" FNPT Connection Factory Set @ 12 PSI Adjustable Pressure Range 10-25 PSI These low pressure reducing valves are equipped with a low inlet pressure check valve and removable strainer. Replaces Bell & Gossett, B8, B-8, 110029 and 110030.