Wagner Smart Roller ® Paint System Model_929 So in short

So in short

You could simply change the 3/4" water hose threaded inlet valve on your 404+/3566/435 to the 0278219 Inlet Valve

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This means the diffuser on your gun (diffuser is the part you screw the tip base onto) must be 7/8" also

and Im always looking

Wagner Smart Roller ® Paint System Model_929 So in shortComes with a one year limited warranty The System Includes : 9" x 3x8" roller Fill Tube 22 oz. Applicator Owners Manuals Included Smart Roller Info From Wagner: Eliminate several back bending trips to the paint tray. This all in one roller and paint container features our exclusive Power Trigger technology for easy manual operation. With a simple squeeze of the trigger, paint is transferred from the roller to the wall or eight foot ceiling. Painting