
TM090 12-26 Series II CFGWH Service Instructions
REV AB
– Issued February 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies
are deemed “uncontrolled”
52
COMPONENT REPLACEMENT PROCEDURES
Flue Diverter Removal (if fitted): (Procedure 1)
Note:
Two types of flue diverter are available for use, only with the 26L Natural Gas
models and are constructed from stainless steel sheet to divert the outlet flue sideway.
Diverter kit P/N 299287 - 380mm in length, (standard length
–wire grille side discharge),
Diverter kit P/N 299285 - 1140mm in length, (extended length
–front discharge).
1.
Isolate Power, gas and water supplies
.
2. Undo the screws (2 on each side) securing the bottom brackets to the flue diverter and
remove the brackets. NOTE: The bracket on the LHS when facing the water is longer
and must be re-installed on the LHS when refitting the diverter.
3. Undo the 4 screws securing the top bracket to the flue diverter
4. Undo the 2 upper front panel screws and remove the flue diverter.
Front Panel Removal: (Procedure 2)
1.
Isolate power, gas and water supplies.
2. Remove the flue diverter if fitted. Refer to procedure 1.
3. Un clip the upper and lower plastic trims if fitted.
4. Remove the four screws retaining the front panel.
5. Remove the front panel.
Lower Burner Assembly: (Procedure 3)
1. Remove the front panel. Refer to Procedure 2.
2. Remove the screw retaining the PCB. Withdraw the PCB and
place to one side, keeping connections intact.
3. Disconnect the red and grey electrode wires from the PCB.
4. Disconnect the heater strip wires from the Blue terminal connector.
5. Remove the screw retaining the heater strip junction block.
6. Disconnect the Igniter wire from the flame rod.
7. Remove the screw retaining the ignition pack bracket from the lower burner assembly.
8. Disconnect the solenoid loom from the white harness connector.
9. Disconnect the Yellow and Black wires from behind the PGR Valve white connector.
10. Remove the 12 x No 2 Phillips head screws from around the Lower burner Assy.
11. Lift up the assembly to disconnect the three solenoid connections.
12. Place the Lower Burner Assy to one side.
13. Reassemble in reverse order of above. Replace gaskets if required.
14. Test for gas leaks using soapy water solution.