Rheem 871018, Service Instructions Manual, Page: 11 / 77

TM031 Integrity 18, 20, 24, 26L Service Instructions REV: B
D.O.I: February 2008
This document is stored and maintained electronically by
Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
11
Note: The parts lists shown on pages 64 - 75 are for current 871026-B and 871024-C
model heaters; superseded part numbers for 871024 and 871026 model heaters are not
shown therein however they are listed in the following tables.
Item Description
Superseded Model Current Model
871024
871024-B
871026
871024-C
871026-B
115
Nozzle Plate NG N/A 31-76238-00
Nozzle Plate LP N/A N/A
410 Water Body Assy 31-76285-00 31-76658-00
701 Overheat Limiter 54-02730-00 *31-79562-00
705 Anti-frost heater A WH0020047 31-71644-00
706 Anti-frost heater B WH0020048 31-71643-00
712 Thermistor (ambient air) WH0020052 *Now part of item 758
713 Thermistor Outlet (B) WH0020181 *20-64774-00
714 Anti-frost thermostat WH0020054 20-57072-00
715 Thermistor HX WH0020053 *Now part of item 758
717 Thermistor Inlet (A) WH0020180 *20-64773-00
723 Hall IC Assy 31-28085-00 *20-43805-00
745 PCB 31-76604-0S 31-76623-0S
757 100V Line Cord 31-23674-00 31-76653-00
758 Signal Loom WH0020067 *31-76655-00
773 Power Filter WH0020079 *31-71642-00
780 Power cord WH0020071 *31-76652-00
783 Transformer WH0020073 *31-71646-00
784 Connecting Cord 31-23492-00 *31-71641-00
*When installed in 871024, 871024-B and 871026 model heaters these parts will require the replacement of
other interconnecting components. Refer to „Parts Replacement Scenarios‟ on page 11 for more information.
Parts Replacement Scenarios for 871024, 871024-B & 871026 Model Heaters Only
When replacing any of the following parts in 871024, 871024-B or 871026 models heaters
the additional components shown will also require replacing due to wiring/connection
changes between superseded and current parts.
In some instances electrical BP
connectors may be utilised instead of replacing the additional listed parts and in
these cases this will be shown as an option.
Note: Item numbers refer to the item
number on the exploded views and parts lists located on pages 64 - 75.
Power Cord (item 780)
Old Part Number WH0020071 / New Part Number 31-76652-00
This part may be connected to existing wiring utilising electrical BP connectors otherwise
in addition to the power cord it will also be necessary to replace:
Connecting Cord, Pt Nº 31-71641-00 (item 784)
Transformer, Pt Nº 31-71646-00 (item 783)
Power Filter, Pt Nº 31-71642-00 (item 773)