Rheem 70103 Service Instructions Manual page 50

Cord Set (Procedure 9)
1. Follow steps 1 – 13 of procedure 17 for removal of tank & insulation
2. Once the tank is removed the cord set is exposed. With a small flat bladed screwdriver
the cord retaining tabs can be eased away from the cord to release it from the back
plate.
3. Disconnect cord set wiring from terminal block.
4. Using a small flat bladed screwdriver, lever black locking section of cable gland away
from cable gland body and withdraw cord set wiring through cable gland.
5. Complete reassembly in reverse order of above. Note: To relock cable gland on to
cord set; insert black locking section into cable gland slot and depress onto cord set
using a pair of pliers.
Element (Procedure 10)
1. Isolate power supply to BWU.
2. Operate tap lever until water ceases to flow from tap.
3. Remove jacket surround (refer to procedure 1).
4. Disconnect element wiring from element and remove boiling thermistor from element
dry well.
5. Remove two 10mm nuts retaining element to element flange and withdraw element
from tank.
WARNING Scald hazard. Ensure remaining water is caught in a suitable heat
resistant container (500ml – 2L depending upon model capacity).
6. Complete reassembly in reverse order of above. Note: Ensure element flange is clean.
Element gasket should be replaced if damaged.
7. Check for leaks.
Boiling Water E.C.O. (Procedure 11)
For 3-15L models;
The boiling water E.C.O. is an integral part of the boiling water element for 3-15L models,
in this instance replace the boiling water element by following procedure 10.
For 25-40L models;
1. Isolate power supply to BWU.
2. Remove jacket surround (refer to procedure 1).
3. Disconnect 4x eye terminal connections at E.C.O.
4. Remove 2x nuts retaining E.C.O. to tank bracket and remove E.C.O.
5. Complete reassembly in reverse order of above. Ensure not to over tighten the nuts.
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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