Rheem 70103 Service Instructions Manual page 48

Water Outlet Pipe, Timer fascia (Procedure 4A) 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. Unplug timer ribbon cable from control board
6. Using a 10mm Allen key (Commercial), or 8mm Allen key (Eco), insert long end of
Allen key into water outlet pipe on timer fascia and unscrew water outlet pipe in an
anticlockwise direction. Support timer fascia and withdraw water outlet pipe from timer
fascia then lift timer fascia away from BWU.
7. Unplug both timer ribbon cables from timer PCB.
8. To remove timer; place timer fascia face down on a clean rag. Remove any silicone
from back of timer. Pull back the plastic side retaining lugs, then lift timer PCB clear of
timer fascia from the top first.
Note: If the timer is not operating as buttons are faulty, the timer fascia will require
replacement.
9. Complete reassembly in reverse order of above, use thread tape on water pipe outlet
thread.
10. Check for leaks.
Timer Fascia & Timer (Procedure 4B) 701 Series
1. Remove timer fascia by following steps 1 – 5 of procedure 2B. (Timer fascia is
removed prior to tap.)
2. Replace with new timer fascia assembly, ('ECO' button & LED's not sold separately)
3. Reassemble in reverse order.
Inlet Strainer (Procedure 5) all models
1. Isolate power and water supplies to BWU.
2. Crack water supply union to relieve pressure then unscrew water supply union.
3. Disconnect pipe work or union from water supply inlet fitting and remove inlet strainer
from inlet fitting.
4. Complete reassembly in reverse order of above.
5. Check for leaks.
Inlet Solenoid Valve & Inlet Fitting (Procedure 6)
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 inlet strainer by following steps 2 – 3 of procedure 5.
5. Disconnect wiring from inlet solenoid valve.
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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