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York
Heating & Cooling Combined Unit

Model # D1NH018N03606 Official York heating & cooling

Here are the diagrams and repair parts for Official York D1NH018N03606 heating & cooling, 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 113 parts  |
Air Pressure 024-25975-000

#21

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Air pressure

Part #024-25975-000

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

Gas Valve 025-30859-000

#36

All parts diagram

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
Gas Valve 025-32632-000

#36A

All parts diagram

Gas valve

Part #025-32632-000

Replaced by #SV9501M2528

?
Manufacturer substitution
This part replaces 025-32632-000. Substitute parts can look different from the original.
$641.87
In Stock
Accessories--electrical: Fresh Air Damper 2FA08700124

#NI

All parts diagram

Accessories--electrical: fresh air damper

Part #2FA08700124

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

Samrt Valve Service Adapter 525-31789-000

#37

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Samrt valve service adapter

Part #525-31789-000

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

Restrictor Plate 073-19347-002

#51A

All parts diagram

Restrictor plate

Part #073-19347-002

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

Heat Exchanger 373-14997-702

#31

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Heat exchanger

Part #373-14997-702

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

Plug, Plastic (drain Pan) 028-08567-000

#86

All parts diagram

Plug, plastic (drain pan)

Part #028-08567-000

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

Restrictor Plate 073-14991-001

#51

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Restrictor plate

Part #073-14991-001

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

Rail, Base (sides (2-req'd) 073-19415-000

#78A

All parts diagram

Rail, base (sides (2-req'd)

Part #073-19415-000

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…

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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