York
Heating & Cooling Combined Unit

Model #D3CG090N13025MC Official York heating & cooling unit

Here are the diagrams and repair parts for York D3CG090N13025MC heating & cooling unit, as well as links to manuals and error code tables, if available.

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

Showing 10 of 188 parts

Motor Run Capacitor

#21

All parts Diagram

Capacitor

Part #024-20045-700
Replaced by #12907
?
Manufacturer substitution
This part replaces 024-20045-700. Substitute parts can look different from the original.
This item is not returnable
In Stock
$3.19 | 
24% OFF 
Phone Price: $4.19
Burner

#40

All parts Diagram

Burner

Part #029-18431-000
In Stock
$63.72
Pulley Key

#59

All parts Diagram

Pulley key

Part #001-07110-005
This item is not returnable
In Stock
$2.16
Temp Dice

#13

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Temp dice

Part #025-27727-001
In Stock
$16.38
Drain Pan

#103

All parts Diagram

Drain pan

Part #363-93501-000
In Stock
$63.52
Grommet

#135

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Grommet

Part #028-07039-000
This item is not returnable
In Stock
$2.16
Coil

#87

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Coil

Part #363-94984-700
In Stock
$895.49
Post Corner

#114

All parts Diagram

Post corner

Part #063-89994-001
In Stock
$16.99
Side Panel

#126

All parts Diagram

Side panel

Part #063-87659-000
In Stock
$10.99
Panel Rear

#110

All parts Diagram

Panel rear

Part #363-90051-001
In Stock
$184.49

Symptoms common to all heating & cooling combined units

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

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor
Thermostat problem, clogged air filter, burner failure
Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch
Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor
Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.
Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring failures.

Repair guides common to all heating & cooling combined units

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

March 16, 2022
By Lyle Weischwill
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 stay on for a few seconds.

Repair difficulty
Time required
 15 minutes or less
March 16, 2022
By Lyle Weischwill
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 dripping below the inside air conditioner unit. Follow the steps in this guide to unclog the drain pipe.

Repair difficulty
Time required
 15 minutes or less
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.

Repair difficulty
Time required
 30 minutes or less

Articles and videos common to all heating & cooling combined units

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

January 5, 2023

Should I replace my gas furnace with an electric heat pump?

By Lyle Weischwill

Learn the reasons why you should consider replacing a gas furnace with an electric heat pump.

August 30, 2022

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

By Lyle Weischwill

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

February 22, 2022

Can a furnace be repaired?

By Lyle Weischwill

Learn about furnace repairs and how much they cost.