Coleman Evcon
Furnace

Model # AGU10020A Official Coleman Evcon gas furnace - agu series

Here are the diagrams and repair parts for Official Coleman Evcon AGU10020A gas furnace - agu series, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 79 parts  |

Furnace Blower Control 2895-3001
#10

Functional replacement parts diagram

Furnace blower control

Part #2895-3001

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

Gasket Package 2702-4051/A
#3

Functional replacement parts diagram

Gasket package

Part #2702-4051/A

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

Furnace Burner 2702-308P
#25

Functional replacement parts diagram

Furnace burner

Part #2702-308P

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

Furnace High-altitude Burner Orifice, 5,000 To 7,000-ft 9900-0861
#24C

Functional replacement parts diagram

Furnace high-altitude burner orifice, 5,000 to 7,000-ft

Part #9900-0861

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

Run Capactr 1499-4461
#13

Functional replacement parts diagram

Run capactr

Part #1499-4461

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

Limit Switch 2702-338P/A
#8C

Functional replacement parts diagram

Limit switch

Part #2702-338P/A

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

Pilot 9801-0111
#19

Functional replacement parts diagram

Pilot

Part #9801-0111

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

Run Capactr 1499-4491
#13A

Functional replacement parts diagram

Run capactr

Part #1499-4491

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

Switch 2702-318P/A
#8B

Functional replacement parts diagram

Switch

Part #2702-318P/A

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

Gas Valve 2702-329P
#23

Functional replacement parts diagram

Gas valve

Part #2702-329P

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

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

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

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

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 pressure washer.

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.…