Caleffi 535661HA PresCal™ Pressure Reducing Valve with Gauge (low lead, pre-adjustable), 1" Press Union Fitting Type_Tee Stop These tools can be used

These tools can be used on the ends of pipe or on tapping tee outlets

it's the only gauge to use a Pirani sensor for greater accuracy and the ability to measure the entire vacuum process

Condenser Type:  Micro channel condenser

1 % Flue Gas CO₂ calculation (calculated from O₂) Measuring Range: Display range 0 to CO₂ max Accuracy: ±0

Caleffi 535661HA PresCal™ Pressure Reducing Valve with Gauge (low lead, pre-adjustable), 1" Press Union Fitting Type_Tee Stop These tools can be usedCaleffi 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