Rheem 70103 Service Instructions Manual page 52

Water Outlet Flange (Procedure 16A) 702 & 703 Series
1. Isolate power and water supplies to BWU.
2. Operate tap lever until water ceases to flow from tap.
3. Remove jacket surround (refer to procedure 1).
4. Remove tap by following steps 3 – 4 of procedure 2A.
5. Remove water outlet pipe and timer fascia by following steps 5 – 6 of procedure 4A.
6. Disconnect element wiring from element and unplug boiling thermistor wiring plug at
element.
7. Undo two blue tank straps. To remove a strap; pull a strap tag end clear of strap clip
and lever tag end from strap clip using a small flat bladed screwdriver. Pay attention to
how strapping is inserted into clip for later reassembly.
8. Remove tape holding element and boiling thermistor wiring in place at front and right
hand side of tank insulation and lift wiring away from insulation.
9. Lift top half of tank insulation clear of BWU.
10. Remove two 10mm nuts retaining water outlet flange to tank and remove water outlet
flange and gasket.
WARNING Scald hazard. Ensure remaining water is caught in a suitable heat
resistant container (500ml – 2L depending upon model capacity).
11. Reassemble in reverse order of above. Note: Ensure water outlet flange is clean. Water
outlet flange gasket should be replaced if damaged. Rethread blue tank straps through
strap clips and pull to tighten. Element and thermistor wiring goes under lower blue
strap only.
12. Check for leaks.
13. Complete reassembly in reverse order.
Water Outlet Flange (Procedure 16B) 701 Series
1. Isolate power and water supplies to BWU.
2. Operate tap lever until water ceases to flow from tap.
3. Remove tap by following steps 3 – 6 of procedure 2B.
4. Disconnect silicone tubing from tap and remove silicone tube from tank insulation.
5. Follow steps 6 – 13 of procedure 16A.
Boiling Water Storage Tank & Tank Insulation All models (Procedure 17)
1. Isolate power and water supplies to BWU.
2. Operate tap lever until water ceases to flow from tap.
3. Remove jacket surround (refer to procedure 1).
4. Remove tap by following procedure 2A steps 3-4 for 702 & 703 series, or procedure
2B steps 4-6 for 701 series
TM063 701, 702 & 703 Series Boiling Water Unit Service Instructions
Revision D: Feb 2017
This document is stored and maintained electronically by
Service. All printed copies not bearing this statement in RED are deemed "uncontrolled"
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