Bradford White eF Series Service Manual

The Bradford White
Ultra High Efficiency Water Heaters
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
For the Bradford White
eF Series
®
Ultra High
Efficiency Models:
EF60T125E*(NA,XA)(2)
EF60T150E*(NA,XA)(2)
EF60T199E*(NA,XA)(2)
EF1
00T150E*(NA,XA)(2)
EF100T199E*(NA,XA)(2)
EF100T250E*(NA,XA)(2)
EF100T300E*(NA,XA)(2)
(*) Denotes Warranty Years
Manual 45817A
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Bradford White eF Series Specifications

General

Type	Tank
Efficiency	High Efficiency
Vent Type	Power Vent
Fuel Type	Natural Gas or Propane
Recovery Rate	Varies by model
Capacity	40-100 gallons
Warranty	6 or 10 Year Limited Tank & Parts Warranty (varies by model)

Summary

Troubleshooting

System Observation

LED Status and Probable Cause

Guides troubleshooting by correlating ignition module LED status with potential causes of failure.

Thermostat Circuit Testing and Replacement

Thermostat Board Replacement Procedure

Thermostat Potentiometer Replacement Procedure

Thermostat Sensor Replacement Procedure

Combustion System Testing and Replacement

Combustion System Removal Procedure

Steps for safely removing the combustion assembly for inspection or replacement.

Combustion System Replacement Procedure

Instructions for installing a new or reconditioned combustion assembly.

Burner Tube Inspection and Replacement

Burner Tube Inspection

Visual inspection guide for the burner tube's ceramic fiber mesh and internal condition.

Burner Tube Replacement Procedure

Step-by-step instructions for replacing the burner tube and associated gaskets.

Gas Valve Replacement

Blower Testing and Replacement

Blower Replacement Procedure

Step-by-step instructions for removing and installing a new blower assembly.

Exhaust Pressure Switch Testing and Replacement

Check Collector Pressure

Diagnostic procedure to check pressure at the exhaust collector tap.

Exhaust Pressure Switch Replacement Procedure

Hot Surface Igniter Testing and Replacement

Hot Surface Igniter Replacement Procedure

Flame Sensor Testing and Replacement

Flame Sensor Replacement Procedure

Ignition Module Replacement

Transformer Replacement

Intake Pressure Switch Testing and Replacement

Intake Pressure Switch Replacement Procedure

Vent Safety Switch Testing and Replacement

Vent Safety Switch Replacement Procedure

Anode/Flue Baffle Inspection and Replacement