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York
Heating & Cooling Combined Unit

Model # D3CG120N20025MK Official York heating & cooling unit

Here are the diagrams and repair parts for Official York D3CG120N20025MK heating & cooling unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 184 parts  |
Elec Cntrllr 025-20963-000

#18

All parts diagram

Elec cntrllr

Part #025-20963-000

$19.63
In Stock
Igniter 025-29010-000

#51

All parts diagram

Igniter

Part #025-29010-000

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

Coil, Evap (1 Coil Incl. Sys 1 And 2)(includes Headers And Distributor Valves) 373-03332-701

#89A

All parts diagram

Coil, evap (1 coil incl. sys 1 and 2)(includes headers and distributor valves)

Part #373-03332-701

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

Box Flue 063-89949-000

#39

All parts diagram

Box flue

Part #063-89949-000

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

Conactor, Elect. (compr.) 024-25955-000

#23A

All parts diagram

Conactor, elect. (compr.)

Part #024-25955-000

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

Wheel, Ventor 026-32624-700

#81

All parts diagram

Wheel, ventor

Part #026-32624-700

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

Panel, Top (assembly) 373-16499-001
#4

Filter diagram

Panel, top (assembly)

Part #373-16499-001

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

Rail Base 063-90011-000

#119

All parts diagram

Rail base

Part #063-90011-000

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

Blade Support 063-89961-000

#128

All parts diagram

Blade support

Part #063-89961-000

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

Panel, L/h Side (assembly) (includes Filter Angles) 373-16498-001
#2

Filter diagram

Panel, l/h side (assembly) (includes filter angles)

Part #373-16498-001

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 furnace burners won’t stay lit?

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

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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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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

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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 15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

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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.…

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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

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