Viton Pump Barrel Bottom Seal Check Valve NA2256 General Pump There is a separate O-ring

There is a separate O-ring part for the water nozzle

and grout without leaving watermarks or residue like other cleaning chemicals can

Velcro Strap with Loop (NA0848) — a loop strap

not a marketing term

stainless steel extension and long-lasting injection valve

Viton Pump Barrel Bottom Seal Check Valve NA2256 General Pump There is a separate O-ringProduct Overview The Viton bottom check valve for the pump barrel on Hydro Force pump up sprayers. It sits at the base of the pump barrel and is what allows the pump to build pressure it lets solution past on the down stroke and holds it there on the up stroke. The Symptom to Look For A failed bottom check valve gives you a pump that feels like it is working but never builds pressure, or that loses pressure as soon as you stop pumping. The handle