The pump head and valve plate feature an advanced design with Viton(r) high temperature O-rings for superior high-pressure sealing when compared to paper gaskets

air ratcheting for loosening and tightening fasteners — and much more

The O-ring’s compression resistance ensures that it does not deform or lose its sealing properties over time

Pressure Washer Part - XJV25G22D-F8

PM™ 8 Electronic Preset Antifreeze Meter - Flexible Extension - 1/2 in. (13 mm) Inlet - NPT wcapacity_14000-lbs The pump head and valveUse Gracos PM8 and PM20 electronic preset meters to dispense fluids quickly, reliably and accurately to vehicles, trucks, yellow iron machines and more in the most challenging, extreme environments. Proven in Harsh Conditions Sealed electronics (IP69K) are protected against direct pressure washing and dust. Twist Close Nozzle Prevents Leaking Multiple extensions available including rigid, flexible and gear lube. Long Life Valve Design Poppet design