Caleffi 535351HA PresCal™ Pressure Reducing Valve, with Gauge (low lead, pre-adjustable), 3/4" FNPT Refine_TradeFox This all-in-one tool

This all-in-one tool

Apply contents to coil(s) at a safe distance

X13120661010 Viessman:

Tests Continuity:  Yes

The safety glasses feature a removeable gasket that protects your eyes against debris

Caleffi 535351HA PresCal™ Pressure Reducing Valve, with Gauge (low lead, pre-adjustable), 3/4" FNPT Refine_TradeFox This all-in-one toolCaleffi 535351HA PresCal Pressure Reducing Valve, with Gauge (low lead, pre adjustable), 3 4" 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 180F temperature rating, anti scale components and