Sears
Furnace

Model # 867736750 Official Sears gas-fired direct vent counterflow wall furnace

Here are the diagrams and repair parts for Official Sears 867736750 gas-fired direct vent counterflow wall furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 124 parts  |

Fan Switch 506128
#5

Body & vent assy diagram

Fan switch

Part #506128

Replaced by #505962

?
Manufacturer substitution
This part replaces 506128. Substitute parts can look different from the original.
In Stock
Transformer 92891
#14

Electrical asy diagram

Transformer

Part #92891

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

Thermostat 504792

#NI

All parts diagram

Thermostat

Part #504792

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

Tubing Pilot 506040
#1

Burner, manifold & gas valve diagram

Tubing pilot

Part #506040

Replaced by #100108370

?
Manufacturer substitution
This part replaces 506040. Substitute parts can look different from the original.
In Stock
Thermocouple 503758
#2

Burner, manifold & gas valve diagram

Thermocouple

Part #503758

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

Ferrule Nut 29441
#3

Burner, manifold & gas valve diagram

Ferrule nut

Part #29441

Replaced by #100108370

?
Manufacturer substitution
This part replaces 29441. Substitute parts can look different from the original.
In Stock
Guarantee F642-18169A

#NI

All parts diagram

Guarantee

Part #F642-18169A

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

Pilot Burner 503051
#7B

Burner, manifold & gas valve diagram

Pilot burner

Part #503051

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

Panel Trim 506041
#5

Cabinet assy diagram

Panel trim

Part #506041

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

Pipe Flue 504397
#51A

Body & vent assy diagram

Pipe flue

Part #504397

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower friction disc

How to replace a snowblower friction disc

The friction disc is one of the components of the drive system. If it's worn or damaged, the snowblower won't self-prope…

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 snowblower.

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.…

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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…