Pump & Circuit Board Assembly

SKU:
From $63.55

Restore your FlowZone backpack sprayer with this diaphragm pump and circuit board assembly replacement. The included circuit board is epoxy-sealed for waterproof protection. Series 3 assemblies will include a set of terminal adapters. For instructions on how to use these and replacing the circuit board, see the "Videos" tab.

Model: Choose an option

Typhoon
Cyclone
Monsoon
Storm

Pressure: Choose an option

Dual Pressure
Variable Pressure/5-Position

Sprayer Style: Choose an option

Series 2/2.5
Series 3
Details

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 membrane designed for long service life and compatibility with a wide range of water-based chemicals. Threaded output hose connectors provide a secure, leak-resistant connection for dependable spraying performance.

The integrated circuit board is epoxy-sealed for waterproofing, helping protect critical electronics from moisture and harsh field conditions. Automotive-style connectors allow for quick, straightforward replacement without complicated wiring.

Ideal for restoring pressure, flow, and electronic control, this assembly helps keep your FlowZone sprayer operating reliably in demanding professional applications.

Series 3 pump assemblies will include terminal adapters for the circuit board. For information on how to use these, see the "Videos" tab or visit:

Article: Terminal Adapter Installation

Videos
Product Videos

Product Videos

Terminal Adapter Installation
Circuit Board Replacement
Diaphragm Pump Replacement

Customer Reviews

Based on 145 reviews
92%
(134)
5%
(7)
1%
(2)
0%
(0)
1%
(2)
J
Jeff S.
Cyclone / Variable Pressure/5-Position / Series 2/2.5
Pump & Circuit Board Replacement

Perfect replacement; easy repair. Sprayer working again!!!

W
William S.
Typhoon / Variable Pressure/5-Position / Series 2/2.5
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.

J
J.R. G.
Cyclone / Dual Pressure / Series 2/2.5
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.

W
Will J.
Cyclone / Variable Pressure/5-Position / Series 3
Pumps

Easy to install

T
Terry G.
Cyclone / Dual Pressure / Series 2/2.5
Great service along with an excellent pump!

The replacement pump I purchased works great and the technical support team was also very quick to help me with installation questions. Highly recommend FlowZone products!

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