Quartz sleeves may need to be replaced if they become very dirty, break, or just as a part of routine maintenance. To change a quartz sleeve in a UV system, follow the steps below.

Note: The use of cotton gloves is recommended.

1. If a bypass assembly is installed, shut the inlet valve off to prevent water flow through the system. Otherwise, turn off main water inlet valve (and/or turn off the water pump).
2. Disconnect power cord of UV system from electrical outlet.

   3. Release water pressure by opening a downstream faucet and then close the outlet shut-off valve (if any). If there is no outlet shut-off valve, some water will drain from the system.

4. Unscrew the ground screw from the UV chamber.
5. Remove the lamp connector(s) from the reactor by pushing the lamp connector in and turning it ¼ turn counterclockwise. Disconnect the lamp connector(s) from the lamp(s).

CAUTION: the lamp(s) may be hot!         

6. Remove the lamp, only touching the ceramic ends.         
7. Unscrew the gland nuts from the UV chamber on both ends.          
8. Remove the O-ring(s) on the side opposite from the lamp connection.

9. Remove the quartz sleeve(s) from the chamber, ensuring that no water enters the quartz sleeve(s).  
10. Remove the springs from the quartz sleeve(s) and set them aside.
11. Safely discard the quartz sleeve(s) and O-rings.

Follow the steps below to install the new quartz sleeve(s):

1. Using cotton gloves, carefully remove new quarts sleeve(s) from the packaging.
2. Carefully slide the sleeve(s) into the reactor ensuring that the sleeve(s) is/are centered. An equal amount of quartz sleeve should be seen on either side of the chamber.
3. Slide the new O-rings onto the sleeve(s) on either side until they are butted up against the reactor.
4. Hand-tighten the gland nuts over the quartz sleeve(s) onto either end of the chamber. Ensure the open-ended gland nut(s) is/are installed on the side of the chamber with the ground lug. A firm force may be required to fully tighten the gland nuts but DO NOT USE TOOLS.
5. Insert the springs back into the sleeve(s), 2 per sleeve.
6. Check for any possible leaks by slowly turning on the water.
7. Reinstall the lamp(s) and connect the lamp connector(s). 
8. Affix the ground wire to the ground lug.