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Restore full performance to your FlowZone backpack sprayer with this complete diaphragm pump and circuit board assembly. This OEM replacement combines the Santoprene diaphragm pump with a sealed control circuit board, making it easy to replace both the pump and electronics in one convenient unit.
The pump features a durable Santoprene mem
4.5
151 ratings
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Order Repair Parts
Needed to order a pump and circuit board assembly for a backpack sprayer. Order process was simple and straight forward. Response was immediate and delivery was very timely. Can’t ask for more than that.
W
William · September 12, 2026
Good Quality
Thanks to Isaac was finally able to get the correct part to fix my sprayer. Works great now! Just wanting on permission to return the old part for testing. Want to know whether the micro switch or pump failed or both.