Atomex AX/GM-20003A Pump Head Assembly

Atomex GM-20E pump head assembly comes complete with the suction valve, outlet valve, pusher valve and prime spray valve. Simply remove the four bolts, replace the head and re-tension the head bolts to 20ft/lb. 

We recommend to purchase a new diaphragm kit Atomex Part No. AX/GM-20103A and replace the diaphragm at the same time. 

A new pump head will get your Atomex GM-20E running like new again, don't forget to replace your spray tip, spray tips wear and is the most common cause for airless sprayers to lose pressure. 

This part will suit the following model airless sprayers – 

• Atomex GM-20E Airless Sprayer

Atomex Part No AX/GM-20003A

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