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Temco
Furnace

Model # GVF50-4S Official Temco floor furnace

Here are the diagrams and repair parts for Official Temco GVF50-4S floor furnace, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 131 parts  |
Connect Wire 1A08278
Connect wire

Part #1A08278

Replaced by #STD375005

?
Manufacturer substitution
This part replaces 1A08278. Substitute parts can look different from the original.
This item is not returnable
$2.49
| 
29% OFF Phone Price : $3.49
In Stock
Pilot 1A49613
#39

Burner and control assembly diagram

Pilot

Part #1A49613

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

Thermostat 5B45110
Thermostat

Part #5B45110

Replaced by #1E30N-910

?
Manufacturer substitution
This part replaces 5B45110. Substitute parts can look different from the original.
$81.43
| 
7% OFF Phone Price : $87.43
In Stock
Switch 1A58785
Switch

Part #1A58785

Replaced by #3L01-300

?
Manufacturer substitution
This part replaces 1A58785. Substitute parts can look different from the original.
$10.31
In Stock
Gas Valve 5A64560
Gas valve

Part #5A64560

Replaced by #36C03U-433

?
Manufacturer substitution
This part replaces 5A64560. Substitute parts can look different from the original.
$508.17
| 
$12.00 OFF Phone Price : $520.17
In Stock
Furnace Generator 5A45112
Furnace generator

Part #5A45112

Replaced by #GO1A-332

?
Manufacturer substitution
This part replaces 5A45112. Substitute parts can look different from the original.
$66.49
In Stock
Gas Valve 5A64648
Gas valve

Part #5A64648

Replaced by #36C03U-433

?
Manufacturer substitution
This part replaces 5A64648. Substitute parts can look different from the original.
$508.17
| 
$12.00 OFF Phone Price : $520.17
In Stock
Lp Gas Orifice 1A51128

#NI06

All parts diagram

Lp gas orifice

Part #1A51128

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

Nameplate 7B58500
#10

Burner and control assembly diagram

Nameplate

Part #7B58500

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

Exchanger 4D62342
#14A

Heat exchange/related sheet metal diagram

Exchanger

Part #4D62342

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

Symptoms for band saws

Choose a symptom to see related band saw repairs.

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Why does my band saw blade slip off the wheel?

Main causes: damaged rubber tire, worn wheel bearings, loose blade tension, dull saw blade...

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Why won't my band saw cut straight?

Main causes: dull blade, improper feeding, loose blade tension, not using a work piece guide...

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Why does my band saw make ragged cuts?

Main causes: dull blade, using the wrong type of blade, feeding work piece to quickly, loose blade tension...

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Why won't my my band saw's blade move?

Main causes: broken saw blade, bad drive belt, damaged rubber tire...

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Why does my band saw make inaccurate bevel cuts?

Main causes: angle indicator needs adjustment, dull blade...

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Why is my band saw cutting slowly?

Main causes: dull blade, using the wrong type of blade, weak drive motor...

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Why won't my band saw start?

Main causes: lack of electrical power, broken power cord, bad on/off switch, faulty drive motor...

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Repair guides for band saws

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

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How to replace a band saw on-off switch

How to replace a band saw on-off switch

If the switch won't turn the band saw on or off, it could be defective. Replace the switch, using these steps....

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Repair difficulty
Time required
15 minutes or less
How to replace a band saw blade

How to replace a band saw blade

If the saw blade is dull or damaged and isn't cutting cleanly, replace the blade following these steps....

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Repair difficulty
Time required
15 minutes or less
How to replace a band saw drive belt

How to replace a band saw drive belt

If the motor runs but the blade doesn't move, it could be that the drive belt is broken. Here's how to replace it....

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Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your band saw.

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How to get your furnace ready for winter

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

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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Top questions about Sears and Sears PartsDirect

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