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Kenmore
Heating & Cooling Combined Unit

Model # 86774912 Official Kenmore space saver oil furnace & summer air conditioner

Here are the diagrams and repair parts for Official Kenmore 86774912 space saver oil furnace & summer air conditioner, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 167 parts  |
Fan Wheel 72978
Fan wheel

Part #72978

Replaced by #600587

?
Manufacturer substitution
This part replaces 72978. Substitute parts can look different from the original.
$130.20 | 
8% OFF Phone Price : $142.20
In Stock
Screw 448445
#6

Oil burner assembly diagram

Screw

Part #448445

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

Contactor 72988

#NI

All parts diagram

Contactor

Part #72988

Replaced by #90-244

?
Manufacturer substitution
This part replaces 72988. Substitute parts can look different from the original.
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Thermostat 9234

#NI

All parts diagram

Thermostat

Part #9234

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

Transformer 60476
Transformer

Part #60476

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

Oil Pipe 68072
#28

Oil burner assembly diagram

Oil pipe

Part #68072

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

Thermostat 9238

#NI

All parts diagram

Thermostat

Part #9238

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

Twist-on Wire Connector 64383
Twist-on wire connector

Part #64383

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

Nozzle 64605
#46

Oil burner assembly diagram

Nozzle

Part #64605

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

Coupling 68091
#30

Oil burner assembly diagram

Coupling

Part #68091

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

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

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Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

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Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

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Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

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Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

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Most common repair guides to help fix your heating & cooling combined units

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

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How to unclog the air conditioner drain line

How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

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Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

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Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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.…

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