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42445 Avenida Alvarado, Temecula, CA 92590
(800) 451-9343, www.nimbuswater.com
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Cartridge Replacement
1. Close the feed water shut-off valve.
2. Close the tank shut-off valve.
3. Open the dispensing faucet to relieve system pressure. Close dispensing faucet when flow has stopped.
4. Pull the unit from the installed location.
5. Remove the retaining clip from the front of the unit. Pull the cartridge off the unit evenly at top and bottom. Dispose
of used cartridge.
6. Install the new cartridge, rocking gently from side to side as necessary until the cartridge tubes are properly engaged in
the unit connectors. Install the retaining clip, ensuring the slide locks snap into place in the slots. If the clip does not snap
easily into place through the slots it means the cartridge is not fully inserted into the connectors. Press the top or bottom of
the cartridge to engage the connector so that it snaps fully into place.
7. Repeat Steps 5 and 6 for each cartridge to be replaced.
8. Turn on feed water shut-off valve and open dispensing faucet.
9. Close dispensing faucet after water starts running.
10. Observe system for any leaks, especially at newly re placed cartridge.
11. Open the tank shut-off valve.
12. If replaced cartridge was a post carbon or a membrane filter, the system should be flushed at least once as described in
the previous section - Activation and Flushing.
