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Graco 218197 Piston Valve

$73.50

Graco Piston Valve 218197

Fits the following models:  ST, 190ES (232900, 233815), 395st/450st/455st/495st, Ultra 400/500/600, EM 380/390/490/, GM3000

OEM Quality

The job of the piston valve (also called an outlet valve is to allow material to flow one way through the fluid section only.  Signs of a worn valve is that when you let go of the trigger and let the sprayerbuild to maximum pressure then the piston will slowly start to move upwards.  This could mean that it is worn or that you have “trash” in the valve preventing the ball from seating.

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Graco Piston Valve 218197

Fits the following models:  ST, 190ES (232900, 233815), 395st/450st/455st/495st, Ultra 400/500/600, EM 380/390/490/, GM3000

OEM Quality

The job of the piston valve (also called an outlet valve is to allow material to flow one way through the fluid section only.  Signs of a worn valve is that when you let go of the trigger and let the sprayer build to maximum pressure then the piston will slowly start to move upwards.  This could mean that it is worn or that you have “trash” in the valve preventing the ball from seating.

GRACO
218197
633955491656
Quik Parts

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