Pressure Relief Kit – Relieves pressure build-up in the fluid line due to thermal expansion. Valve must be plumbed back to the oil supply tank. Kit includes everything required for hook-up: tee-connection for discharge side of pump, relief valve, nylon tubing, compression nuts for tubing connections and 2″ PVC adapter for tank fill cap. Use on 3:1 and 5:1 ratio pumps.
Relief Setting – 600 PSI