Rheem 871026 User Manual

1
SERVICE INSTRUCTIONS
18, 20,24, 26L Integrity
Electronic Gas Continuous Flow
Water Heater
TM031
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871018
871020
871024
871024-B
871024-C
871026
871026-B

Rheem 871026 Specifications

General

Brand	Rheem
Model	871026
Category	Water Heater
Language	English

Summary

Safety and Model Identification

Water Heater Model Identification

Identifies model numbers and their components for correct identification.

Preset Temperature Adjustment

Wiring Diagrams

Models with Solenoid Operated Bypass

Illustrates the wiring for solenoid operated bypass models.

Sequence of Operation

Specifications

Product Changes

Product Changes and Updates

Covers software changes and parts supersessions.

In-series Gas Boosting

Installing a Comparator

Remote Controllers

Standard Controller Features

Details the indicators, buttons, and display of the standard controller.

How to Fault Find

Operational Flow Charts 1 & 2

Error Codes and Fault Conditions

Diagnostic Test Points

Maintenance Information

Maintenance Table

Details information retrievable from the water heater's memory.

Clearing Error Code History

Fault Diagnosis Sequence (Fault Finding Chart G)

Fault Finding Chart 1

Fault Finding Chart 2

Fault Finding Chart 3

Fault Finding Charts 3.3 and 3.5

Fault Finding Charts 4 and 4.1

Burner Gas Pressure Check

Component Replacement Procedures

Front Panel Removal: (Procedure 1)

Steps to safely remove the front panel for access.

PCB Assembly: (Procedure 6)

Procedure for removing and replacing the main circuit board.

Heat Exchanger Removal/Replacement: (Procedure 11)

Procedure for removing and replacing the heat exchanger.

Exploded View 1 871018 / 871020 / 871024

Exploded View 1 Replacement Parts List

List of part numbers for Exploded View 1.

Gas Type Conversion Procedure