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Heating & Cooling Combined Unit

Model # D4CG150N16525MG Official York single-package gas/electric unit

Here are the diagrams and repair parts for Official York D4CG150N16525MG single-package gas/electric 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 75 parts |

Elec Cntrllr 025-20963-000

Unit parts diagram

Elec cntrllr

Part #025-20963-000

$19.63

In Stock

Qty

Front Panel 363-89927-003

Unit parts diagram

Front panel

Part #363-89927-003

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

Circuit Board 031-00652-700

Unit parts diagram

Circuit board

Part #031-00652-700

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

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

Air hood assembly 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

Relay Control (heat Sequence)(unit Style A-c,d) 024-19082-738

Unit parts diagram

Relay control (heat sequence)(unit style a-c,d)

Part #024-19082-738

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

Harness, Wiring (2 Required) 025-26387-016

Unit parts diagram

Harness, wiring (2 required)

Part #025-26387-016

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

Pulley 028-07222-000

Unit parts diagram

Pulley

Part #028-07222-000

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

Sensor Flame 025-30801-000

Unit parts diagram

Sensor flame

Part #025-30801-000

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

Panel Gas 063-89966-003

Unit parts diagram

Panel gas

Part #063-89966-003

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

Control, Spark (unit C-e) 025-29012-002

Unit parts diagram

Control, spark (unit c-e)

Part #025-29012-002

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.

Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

Why isn’t my air conditioner cooling well?

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

Why isn’t my air conditioner cooling?

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

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

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

Why won't my air conditioner turn on?

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

Why won't my furnace turn on?

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

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.

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…

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…

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.…

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.

Maintaining your air conditioner

Maintaining your air conditioner

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

How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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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