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Fleck 7000 Birm Filter Installation & Startup Guide

course this section of pipe will still have acidic water flowing through it. We recommend PEX or

PVC pipe up to the Birm Filter and then copper after it, if you have copper plumbing.

6. You do not need unions to install your Fleck 7000 control. If you need to remove it, the Fleck

7000 has quick-release couplings that make it easy to put the Birm Birm Filter filter on by-pass

and remove the filter system from the piping.

7. The drain line tubing (not supplied) is connected to a drain from the drain outlet using flexible

½" ID tubing. Note that the drain can run up above the Fleck 7000 control and into a drain, it

does not have to drain down, as the filter backwashes under line pressure from your well pump.

Most plumbing codes require an air-gap connection, so that if your sewer or septic tank backs

up, it cannot cross connect with the drain tubing.

How Your Birm Filter Works

See Fig 1. In your Birm Filter the water enters the top of the tank and flows down through the media

and up the distributor tube. The downflow type Birm Filter removes sediment and can be backwashed,

which cleans and re-classifies the Birm, preventing channeling. During backwash, the water flow is

reversed and water flows down the distributor tube and up through the media, lifting and expanding the

Birm media. During the backwash the Birm is cleaned by the action of the water flowing through it.

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