Coleman Evcon
Furnace

Model # EB12B Official Coleman Evcon furnace

Here are the diagrams and repair parts for Official Coleman Evcon EB12B 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 38 parts  |

Flr Sub Base 3500-1071/B
#7

Functional replacement parts diagram

Flr sub base

Part #3500-1071/B

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

Furnace Temperature Limit Switch 7142-3091
Furnace temperature limit switch

Part #7142-3091

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

Furnace Heat Sequencer 3120A3571
#20B

Functional replacement parts diagram

Furnace heat sequencer

Part #3120A3571

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

Furnace Heat Sequencer 3110-3571
#20

Functional replacement parts diagram

Furnace heat sequencer

Part #3110-3571

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

Condst Trap 3240-3051
#27

Functional replacement parts diagram

Condst trap

Part #3240-3051

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

Furnace Limit Switch 3500-3121
Furnace limit switch

Part #3500-3121

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

Cover 3500-1271
#6

Functional replacement parts diagram

Cover

Part #3500-1271

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

Jumper Bar 3500-378P
#24

Functional replacement parts diagram

Jumper bar

Part #3500-378P

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

Heat Element 3500-4101
Heat element

Part #3500-4101

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

Transformer 3300-3861
#19

Functional replacement parts diagram

Transformer

Part #3300-3861

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

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.…