Potter- Electric Pressure Switch HD Fire- Test & Drain Valve Size: 1″ HD Fire- Pressure Gauge 90mm, 0-300PSI $ 19.80 Pressure Gauge, Model-HDP1, with HD Logo & Name, Dial Size-90mm (3-1/2″), 1/4″ NPT(M), Range 0-300psi, UL & FM Approved (Catalogue HD 115) Add to cart Category: Related products Quick View Quick View CLA VAL- Air Release Valve 3410AR-116.3$ 99.18Add to cart Quick View Quick View Bingham & Taylor- Cast Iron Valve Box 4908-5662-S$ 93.39Add to cart Quick View Quick View CLA VAL- Pressure Relief Valve 55L-60$ 96.63Add to cart