Yellow Jacket 78063 Gas Pressure Test Kit (78055) Replacement Carrying Case (CASE ONLY): Industrial Hvac Components

Sensitive diaphragm gauge calibrated in inches of water column and ounces per square inch, Improved lamination strength of diaphragm (bellows) to brass plate withstands higher over-pressure, Tube nipple for easy connection to system manifold, Two gauge ranges available, The unique single bellows on brass plate design replaces the double bellows for a stronger seal that resists greater over-pressure