
Caleffi 535361HA PresCal™ Pressure Reducing Valve, with Gauge (low lead, pre-adjustable), 1" FNPT
Caleffi 535361HA PresCal™ Pressure Reducing Valve, with Gauge (low lead, pre-adjustable), 1" FNPT The Caleffi PresCal™ 535H pressure reducing valve is precision engineered to deliver accurate pressure regulation under varying pressure and draw conditions. Low internal pressure losses produce superior falloff performance enabling more flow capacity to fixtures. NSF/ANSI/CAN 61 compliance, superior 180°F temperature rating, anti-scale components and convenient cartridge design add to the many features of this versatile and dependable PRV. UV Outdoor protective cover included for non-freezing outdoor installations. FEATURES Pre-adjustment knob: 15 to 90 psi adjustment range with convenient psi setting visible from front and back. Includes tamper-proof locking screw. Removable self-contained cartridge with stainless steel mesh filter: Maximum debris protection and convenient in-pipe maintenance and servicing. Conical seat and shuttle design: Together with large cross-section flow ch