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Comfort Glow
Furnace

Model # RFN28TB Official Comfort Glow heater

Here are the diagrams and repair parts for Official Comfort Glow RFN28TB heater, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 52 parts  |
Gas Valve 098522-04
#26

Replacement parts diagram

Gas valve

Part #098522-04

The manufacturer no longer makes this part, and there's no substitute part

Igniter 098594-01
#12-2

Replacement parts diagram

Igniter

Part #098594-01

The manufacturer no longer makes this part, and there's no substitute part

Panel 100566-01CB
#2

Replacement parts diagram

Panel

Part #100566-01CB

The manufacturer no longer makes this part, and there's no substitute part

Injector 098251-04
#15

Replacement parts diagram

Injector

Part #098251-04

The manufacturer no longer makes this part, and there's no substitute part

3/8 Ml Plug 098275-01
#25

Replacement parts diagram

3/8 ml plug

Part #098275-01

The manufacturer no longer makes this part, and there's no substitute part

Trim 101899-01

#NI

All parts diagram

Trim

Part #101899-01

The manufacturer no longer makes this part, and there's no substitute part

Cable Connector 102888-01

#NI

All parts diagram

Cable connector

Part #102888-01

The manufacturer no longer makes this part, and there's no substitute part

Mantel GM900FA

#NI

All parts diagram

Mantel

Part #GM900FA

The manufacturer no longer makes this part, and there's no substitute part

Wall Heater Thermocouple 098514-01
#12-1

Replacement parts diagram

Wall heater thermocouple

Part #098514-01

The manufacturer no longer makes this part, and there's no substitute part

Cnnctr Male 098264-02
#21

Replacement parts diagram

Cnnctr male

Part #098264-02

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

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Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

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How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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