Coleman Evcon
Furnace

Model # 4066-756/B Official Coleman Evcon oil furnace

Here are the diagrams and repair parts for Official Coleman Evcon 4066-756-B oil 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 78 parts  |

Furnace System Switch 7970-3331
#16

Presidential oil gun diagram

Furnace system switch

Part #7970-3331

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

Gasket Package 7945-3011
#3

Presidential oil gun diagram

Gasket package

Part #7945-3011

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

Pump 8866-4021
#20

Burner diagram

Pump

Part #8866-4021

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

Receptacle 4084-3101
#18

Presidential oil gun diagram

Receptacle

Part #4084-3101

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

Shield 4084A1601
#5

Presidential oil gun diagram

Shield

Part #4084A1601

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

Damper Assembly 4084-5081
#16

Burner diagram

Damper assembly

Part #4084-5081

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

Furnace Air Filter 7660-3401
#22

Presidential oil gun diagram

Furnace air filter

Part #7660-3401

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

Motor 8880-4139
#11

Burner diagram

Motor

Part #8880-4139

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

Air Cone 8880-4261
#21

Burner diagram

Air cone

Part #8880-4261

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

Airchut Gskt 8680-3061
#18

Burner diagram

Airchut gskt

Part #8680-3061

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

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Repair difficulty
Time required
 15 minutes or less
How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…

Repair difficulty
Time required
 45 minutes or less
How to replace a range relay control board

How to replace a range relay control board

Follow these instructions to replace the relay control board if it isn't responding to signals from the microprocessor d…

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.…