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York
Heating & Cooling Combined Unit

Model # D1NH042N09025A Official York heating & cooling unit

Here are the diagrams and repair parts for Official York D1NH042N09025A heating & cooling unit, as well as links to manuals and error code tables, if available.

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  • 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”.

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

Model diagram and schematic

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ALL PARTS
Showing 10 of 76 parts  |
Capacitor 024-20043-000

#10

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Capacitor

Part #024-20043-000

Replaced by #12005

?
Manufacturer substitution
This part replaces 024-20043-000. Substitute parts can look different from the original.
$16.49
| 
11% OFF Phone Price : $18.49
In Stock
Central Air Conditioner Air Handler Blower Motor 024-25973-000

#4

All parts diagram

Central air conditioner air handler blower motor

Part #024-25973-000

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

Vent Motor 026-33999-001

#48

All parts diagram

Vent motor

Part #026-33999-001

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

Gas Valve 025-30859-000

#36

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Gas valve

Part #025-30859-000

Replaced by #SV9501M2528

?
Manufacturer substitution
This part replaces 025-30859-000. Substitute parts can look different from the original.
$641.87
In Stock
Blower Wheel 026-32088-003

#40

All parts diagram

Blower wheel

Part #026-32088-003

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

Plate, Drain Fitting (drain Pan 073-15116-000

#84

All parts diagram

Plate, drain fitting (drain pan

Part #073-15116-000

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

Afitting, Copper Solder (drain Pan) 023-16384-000

#85

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Afitting, copper solder (drain pan)

Part #023-16384-000

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

Burner, Gas (1-per Burner) 029-21198-000

#30

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Burner, gas (1-per burner)

Part #029-21198-000

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

Label Wiring (reference) 035-13056-000

#18

All parts diagram

Label wiring (reference)

Part #035-13056-000

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

Baffle, Restrictor 073-14993-002

#50

All parts diagram

Baffle, restrictor

Part #073-14993-002

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...

Read more

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...

Read more

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

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...

Read more
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...

Read more
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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