Rheem 871018 Service Instructions Manual page 14

Overheat Limiter (item 701)
Old Part Number 54-02730-00 / New Part Number 31-79562-00
In addition to the overheat limiter it will also be necessary to replace:
Signal Loom, Pt Nº 31-76655-00 (item 758)
Ambient air thermistor, now part of the signal loom Pt Nº 31-76655-00 (item 758)
Heat Exchanger thermistor, now part of the signal loom Pt Nº 31-76655-00 (item 758)
Inlet thermistor, Pt Nº 20-64773-00 (item 717)
Outlet thermistor, Pt Nº 20-64774-00 (item 713)
Flow Sensor, Pt Nº 20-43805-00 (item 723)
Flow Sensor (item 723)
Old Part Number 31-28085-00 / New Part Number 20-43805-00
This part may be connected to existing wiring utilising electrical BP connectors otherwise
in addition to the flow sensor it will also be necessary to replace:
Signal Loom, Pt Nº 31-76655-00 (item 758)
Ambient air thermistor, now part of the signal loom Pt Nº 31-76655-00 (item 758)
Heat Exchanger thermistor, now part of the signal loom Pt Nº 31-76655-00 (item 758)
Inlet thermistor, Pt Nº 20-64773-00 (item 717)
Outlet thermistor, Pt Nº 20-64774-00 (item 713)
Overheat Limiter, Pt Nº 31-79562-00 (item 701)
Signal Loom (item 758)
Old Part Number WH0020067 / New Part Number 31-76655-00
In addition to the signal loom it will also be necessary to replace:
Ambient air thermistor, now part of the signal loom Pt Nº 31-76655-00 (item 758)
Heat Exchanger thermistor, now part of the signal loom Pt Nº 31-76655-00 (item 758)
Inlet thermistor, Pt Nº 20-64773-00 (item 717)
Outlet thermistor, Pt Nº 20-64774-00 (item 713)
Flow Sensor, Pt Nº 20-43805-00 (item 723)
Overheat Limiter, Pt Nº 31-79562-00 (item 701)
TM031 Integrity 18, 20, 24, 26L Service Instructions REV: B
D.O.I: February 2008
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14
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