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What are the Differences among the 7000, 7500 and 5900e Backwash Control Valves

A question we sometimes get is: What is the Difference Between the 7000, 7500 and 5900 (Backwash Control Valves?

Control valves come in different sizes and configurations.  Here is a summary of the main differences between the valves.

fleck 7000, 7500, 5900 comparison

5900 Backwash control valve advantages

If you are wondering, what a backwash control valve is:

A “backwash control valve” is a device that is mounted on top of the filter tank.   It automatically backwashes and rinses the filter media, or in the case of water softeners, it allows for the brine to be drawn in to regenerate the softening resin.

Have questions?  Contact us at [email protected] or call us at 888-600-5426.

The 5900  Backwash Control Valve

The 5900   (latest updated model is called the 5900-BT) is a great valve, assembled in the U.S. of domestic and some imported parts, and very good quality.  It has a 7 -year warranty.  5900e is a cost-effective control valve with a standard  7-year warranty and is built in the U.S.  The 5900e is an ideal valve in most instances for a home with up to 4 – 5  bathrooms.

The Fleck 7000 Control Valve

The Fleck 7000 (which has been discontinued by Pentair but still supported) is a high flow valve used in light commercial application or large homes.

The 7500-S Backwash Control Valve 

The 7500-S is a high-flow, industrial low-cost imported valve, but works great and lasts for years.

For most residential and small commercial applications,  we recommend the CWS 5900-BT.

Have questions?  Contact us at [email protected] or call us at 888-600-5426.


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  • Clean Water Systems & Stores, Inc., Water Treatment Equipment,Service & Supplies, Santa Cruz, CA

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