Bradford White RG140T6N-500 User Manual

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Manual 238-51542-00C REV 08/19
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
RG130T*(N,X)
RG140T*(N,X)
RG150T(N,X)
RG140S*(N,X)
RG150L*(N,X)
RG150S*(N,X)
LG255H*(N.X)
LG275H*(N,X)
LG250H65*(N,X)
RG2100H*(N,X)
(*) Denotes Warranty Years
RG230S*(N,X)
RG230T*(N,X)
RG240S*(N,X)
RG240T*(N,X)
RG250H*(N,X)
RG250L*(N,X)
RG250S*(N,X)
RG250T*(N,X)
RG250H*(N,X)
RG255H*(N,X)
RG275H*(N,X)
Flammable Vapor Ignition Resistant
Water Heaters

Bradford White RG140T6N-500 Specifications

General

Category	Water Heater
Manufacturer	Bradford White
Model Number	RG140T6N-500
Fuel Type	Natural Gas
Diameter	20 inches
First Hour Rating	67 Gallons
Recovery Rate	40.4 GPH at a 90°F rise
Warranty	6 years
Tank Capacity	40 Gallons (nominal)

Summary

Service Manual Overview and Model Coverage

Service Tools and Equipment

Measurement and Diagnostic Tools

Lists essential tools like multimeters, manometers, thermometers, and pressure gauges for diagnosis.

White Rodgers Mechanical Gas Control Troubleshooting

White Rodgers Electronic Gas Control Troubleshooting

Honeywell V1 Gas Control Troubleshooting

Honeywell V2 Gas Control Troubleshooting

Service Procedure RG-I: Inner Door and Gasket Maintenance

Service Procedure RG-II: Thermocouple and Thermopile Testing

Service Procedure RG-III: Pilot Assembly Servicing

Pilot/Electrode Assembly Inspection, Cleaning, and Replacement

Comprehensive guide for inspecting, cleaning, or replacing the pilot assembly.

Service Procedure RG-IV: Piezo Igniter and Electrode Servicing

Piezo Igniter, Electrode Testing and Replacement

Procedures for testing and replacing the piezo igniter and electrode.

Service Procedure RG-V: Gas Valve Servicing (White Rodgers Mechanical)

Combination Thermostat/Gas Valve Replacement

Detailed steps for replacing the combination thermostat and gas valve.

Gas Valve Removal

Instructions for safely removing the gas valve from the water heater.

Gas Valve Installation

Steps for installing a new gas valve correctly.

Service Procedure RG-VI: Gas Control Servicing (Electronic/Honeywell)

Honeywell Valve Body and Sensor Removal

Procedure for removing the valve body and temperature sensor from Honeywell controls.

Temperature Sensor Testing (Honeywell)

How to test the temperature sensor on Honeywell gas controls.

Gas Control Replacement

Instructions for replacing the gas control unit on compatible models.

Service Procedure RG-VII: Burner Operation and Maintenance

Main Burner Inspection and Cleaning

Guide for inspecting, adjusting, and cleaning the main burner.

Service Procedure RG-VIII: Resettable Thermal Switch Servicing