Yellow Jacket 78060 Complete Test Kit, 0-35' W.C
- 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.