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Carrier
Heating & Cooling Combined Unit

Model # 50DT036300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 50DT036300 package unit, as well as links to manuals and error code tables, if available.

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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 111 parts  |
Contactor HN51KB024
#NI

Cabinet parts diagram

Contactor

Part #HN51KB024

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

Central Air Conditioner Filter Dryer KH43LG072
#NI

Cabinet parts diagram

Central air conditioner filter dryer

Part #KH43LG072

$120.16
| 
9% OFF Phone Price : $132.16
In Stock
Blower HD46RE120
#NI

Cabinet parts diagram

Blower

Part #HD46RE120

Replaced by #58MV660002

?
Manufacturer substitution
This part replaces HD46RE120. Substitute parts can look different from the original.
$1522.17
| 
$12.00 OFF Phone Price : $1534.17
In Stock
Grille 50SZ500126
#31

Cabinet parts diagram

Grille

Part #50SZ500126

$452.53
In Stock
Core,valve EC39EZ067
#NI

Cabinet parts diagram

Core,valve

Part #EC39EZ067

$22.03
In Stock
Grommet KA56TR057
#NI

Cabinet parts diagram

Grommet

Part #KA56TR057

This item is not returnable
$4.89
In Stock
Valve,serv EC39EZ065
#NI

Cabinet parts diagram

Valve,serv

Part #EC39EZ065

$9.11
In Stock
Tab Kit 48GS660005
#6

Cabinet parts diagram

Tab kit

Part #48GS660005

$273.24
In Stock
Central Air Conditioner Capacitor Strap 317739-302
#NI

Cabinet parts diagram

Central air conditioner capacitor strap

Part #317739-302

$11.74
In Stock
Grommet KA56TR056
#NI

Cabinet parts diagram

Grommet

Part #KA56TR056

$25.31
In Stock

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

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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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...

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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....

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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

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