Check Valve Kit (3 Pack) SprayTech Wagner High Performance Piston Pumps 935 & 945 While the 1 1/4" nap

While the 1 1/4" nap is technically not a Graco manufactured part

517 and 621

The universal tip base will accept all current major brands* of reversible tips on the market

Part Number 0276452 (#3)

Check Valve Kit (3 Pack) SprayTech Wagner High Performance Piston Pumps 935 & 945 While the 1 1/4" nap0297051 Check valve replacement kit ( 3 pack ) For SprayTech CAPspray HVLP spray guns, Wagner NBC Gun, Wagner's Hvlp Conversion Gun, and Titan Maxum II Gun. What Is It? The Check Valve keeps the material cup pressurized and the material flowing up through the gun. It's important to keep the gun angled within an acceptable radius to avoid paint clogging the valve, because air is the only thing that should be passing through the check valve. Of course,