Specifications
TM012 Rheem Electric Water Heaters Service Instructions REV: B
Date of Issue: 03/06
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Bottom Thermostat – Consumer Adjustable (Procedure 7)
1. Follow procedure 6 to step 5
2. Slide the replacement thermostat under the clamp.
3. Reconnect the wiring as per the circuit diagram on page 7 and refit the thermostat
protective cover.
4. Conduct an electrical insulation test. (Refer to page 25)
5. Rotate the thermostat pointer to the middle position and fit the tee connector to the
thermostat.
6. Gently disengage the knob from the access cover by compressing the 4 retaining
fingers.
11. Replace lower access cover securely.
12. With the pointer of the knob indicating the middle temperature setting, gently refit the
knob into the access cover ensuring the connector shaft engages into the knob and
press until the 4 retaining fingers engage the access cover.
13. Select the temperature as noted in step 1 and restore electrical supply.
Cold Water Connector – Rheem Plus Models (Procedure 8)
Elevated temperatures may be present during the draining process.
Personal Protective Equipment should be worn to prevent the risk of
scalding.
1. Isolate power and water supplies to the water heater.
2. Relieve pressure from water heater through the T & PR valve or a hot tap.
3. Drain the water heater. Refer to procedure 1 on page 26.
4. Remove cold water and cold pipe access covers.
5. Disconnect plastic cold water pipe from cold water connector and unscrew cold water
connector from heater.
Note: Removal of the cold pipe requires the use of a special tool, part number
890330. To remove the cold pipe from the cold water connector slide the tool over the
pipe and push down against the quick connect fitting whilst pulling up on the cold pipe.
6. Screw new cold water connector into cylinder using thread tape on threaded section.
7. Insert plastic cold pipe into cold water connector snap lock fitting and push down
clicking plastic cold pipe into fitting (no tool required).
8. Reconnect cold water supply pipe.
9. Restore water supply and check for leaks.
10. Purge air from the system through hot taps.
11. Refit cold water and cold pipe access covers.
12. When tank is full restore electrical supply.










