Troubleshooting Guide - 3M Aqua-Pure AP801B Installation And Operating Instructions Manual

Whole house water filters

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Quick start manual (2 pages)

Table Of Contents

Table of Contents

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Filter Cartridge Replacement Instructions

To reduce the risk associated with property damage due to water leakage or flooding:

• Change the disposable filter cartridge at the recommended interval; the disposable filter cartridge MUST

be replaced every 6 months or sooner

Filter life depends on local water conditions and the volume of water used. We recommend you change your

filter as prescribed by the filter documentation. However, it can be replaced earlier if there is a drop in water

pressure. You can use a variety of cartridges with the AP800 Series housings: AP810, AP811, AP810-2, and

AP811-2 for sediment; AP817, AP817-2 for sediment, chlorine taste & odor.

NOTE: Before changing cartridge, turn off main water supply. Place a bucket under filter to catch the small

amount of water that will run out after housing removal.

1. Turn off the water supply and close shut-off valve after filter head.

2. Relieve pressure in filter housing by unscrewing the vent-valve cap on the housing.

3. Unscrew housing (to the left) using housing wrench supplied with the product and discard old cartridge.

Wash the inside housing thoroughly with mild soap and water.

4. Remove and clean o-ring from housing, apply silicone grease to the o-ring and reposition onto housing.

5. Place new cartridge in housing and screw the housing into the filter head, slowly turning the housing by

hand while maintaining vertical alignment and a constant upward pressure. The housing should thread

fully into the filter head; if any external housing threads are exposed after tightening, disassemble and

repeat steps 4-5. Then use the supplied wrench to apply a light snug fit.

NOTICE: Overtightening could result in a housing crack which may lead to fluid leaking.

6. Slowly turn on main water supply. Open main shut-off valve and check for leaks.

7. Ensure the vent-valve cap on the filter head is open, and wait for air to purge. Screw in the vent-valve and

tighten. Check for leaks. Tighten housing as needed with the supplied wrench. Open shut-off valve after

filter head.

8. Flush at least 10.5 gallons through system.

Particulate

Part

Model

Number

AP810

5618902

AP811

5618904

AP817

5602719

AP810-2

5602721

AP811-2

5618905

AP817-2

5602721