Kenmore
Furnace

Model # 86773621 Official Kenmore gas-fired direct vent wall furnace

Here are the diagrams and repair parts for Official Kenmore 86773621 gas-fired direct vent wall furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 100 parts  |

Pilot Tubing 87410
#47

Unit parts diagram

Pilot tubing

Part #87410

Replaced by #9000278

?
Manufacturer substitution
This part replaces 87410. Substitute parts can look different from the original.
This item is not returnable
$17.69
10% OFF Phone Price : $19.69
In Stock
Ferrule Nut 29441
#48

Unit parts diagram

Ferrule nut

Part #29441

Replaced by #9000278

?
Manufacturer substitution
This part replaces 29441. Substitute parts can look different from the original.
This item is not returnable
$17.69
10% OFF Phone Price : $19.69
In Stock
Thermocouple 503758
#51

Unit parts diagram

Thermocouple

Part #503758

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

Natural Valve 503504
#27A

Unit parts diagram

Natural valve

Part #503504

Replaced by #36C03-333

?
Manufacturer substitution
This part replaces 503504. Substitute parts can look different from the original.
$277.97
$10.00 OFF Phone Price : $287.97
In Stock
Thermostat 503520

#NI

All parts diagram

Thermostat

Part #503520

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

Nut 47193
#41

Unit parts diagram

Nut

Part #47193

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

Screw 457502
#30

Unit parts diagram

Screw

Part #457502

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

Screw 85790
#8

Unit parts diagram

Screw

Part #85790

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

Screw 274738
#63

Unit parts diagram

Screw

Part #274738

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

Screw 274707
#60

Unit parts diagram

Screw

Part #274707

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

Symptoms for electric cooktops

Main causes: broken surface element, surface element switch failure, control system problem, surface element limiter swi…

Repair guides for electric cooktops

How to replace a coil surface element on an electric cooktop

How to replace a coil surface element on an electric cooktop

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Repair difficulty
Time required
 15 minutes or less
How to replace the glass top on an electric cooktop

How to replace the glass top on an electric cooktop

Don't use a cracked or damage glass cooktop—replace it, using these instructions to guide you.…

Repair difficulty
Time required
 30 minutes or less
How to replace a radiant element on an electric cooktop

How to replace a radiant element on an electric cooktop

Follow these step-by-step instructions to replace a damaged radiant element on your electric cooktop when the element wo…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your furnaces

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.…