Raptor Supplies offers a wide range of manifold gauge set accessories including replacement pressure & compound gauges, adapters, hose kits / sets, couplers and extensions from brands like Dayton, Klein Tools, Imperial, Yellow Jacket, Uniweld, JB Industries and Alemite. Gauge sets are equipped with an automatic shut-off valve to prevent the pressure from rising over desired levels. Imperial PolarShield 400 Series replacement manifold gauges are suitable for monitoring the pressure of HVACR systems and releasing moisture & sludge to prevent damage. These compound gauges feature resistance & vibration damping for flutter & pulsation free operation. They have high visibility faceplates with colour coded scales for easy reading. Choose from a wide range these replacement gauge sets, available in operating pressure ranging from 0 to 800 psi, on Raptor Supplies.