Check the listing for details. Caleffi 533651HA PresCal Compact Pressure Reducing Valve with Gauge, 3/4" Press. Condition: New. Listed at 56.99 USD. Caleffi 533651HA PresCal™ Compact Pressure Reducing Valve with Gauge, 3/4" Press Union x FNPTThe Caleffi PresCal™ 533H compact pressure reducing valve is precision engineered to deliver accurate pressure regulation at a competitive price. Low internal pressure losses produce excellent falloff performance enabling more flow capacity to fixtures. NSF 61 certification to 180°F temperature, anti-scale components and a variety of inlet connection styles add to the high value of the most recognized PRV in the world.FEATURESMost recognized PRV in the world: Millions installed in over 60 countries around the world.Removable self-contained cartridge with stainless steel mesh filter: Maximum debris protection and convenient in-pipe cleaning or replacement.Precision engineered: Low-lead DZR “Ecobrass” alloy forging resists corrosion from hard water, chlorine and oxygen.Low friction, high-performance moving parts for stable, accurate pressure control. Results in excellent falloff performance and quiet operation.Peroxide-cured EPDM elastomers for chloramine resistance and long life.Installation flexibility: Variety of inlet union connections: Sweat, NPT, Press, PEX crimp and PEX expansion. Tamper-resistant cap: Black tamper-resistant cap is included to prevent unauthorized set point adjustments.Hot water boost system compatible: Rated to 180ºF. Certified to NSF 61, ASSE 1003, CSA B356 and NSF 372. PERFORMANCEMax. Working Pressure: 250 psi (17.25 bar)Setting Pressure Range: 15 - 80 psi (1.0-5.5 bar) Factory Setting: 45 psi (3 bar) Max. Working Temperature: 180°F (80°C) Compliance with the following codes: IPC, IRC, UPC and NPC for use in accordance with the U.S. and Canadian plumbing codesCompliance with the following standards: ASSE 1003 CSA B356 NSF/ANSI 61, Drinking Water System Components - Health Effects Reduction of Lead in Drinking Water Act, California Health and Safety Code 116875 S.3874, Reduction of Lead in Drinking Water Act UL 2043, Plenum Rating