Caleffi 535661HA PresCal™ Pressure Reducing Valve with Gauge (low lead, pre-adjustable), 1" Press Union 2846-20 You'll know instantly if your

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Caleffi 535661HA PresCal™ Pressure Reducing Valve with Gauge (low lead, pre-adjustable), 1" Press Union 2846-20 You'll know instantly if yourCaleffi 535661HA PresCal Pressure Reducing Valve with Gauge (low lead, pre adjustable), 1" Press Union 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 180F temperature rating, anti scale components and