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Carrier
Heating & Cooling Combined Unit

Model # 50SX030300 Official Carrier central package

Here are the diagrams and repair parts for Official Carrier 50SX030300 central package, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 92 parts  |
Capactr Dual P291-3553
#33

Duct side view/top view diagram

Capactr dual

Part #P291-3553

Replaced by #PAKTRCFD355

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Manufacturer substitution
This part replaces P291-3553. Substitute parts can look different from the original.
BEST SELLER
$14.47
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12% OFF Phone Price : $16.47
In Stock
Rely Tim Dly HN67KJ077
#39

Control box/indoor blower/pipong diagram

Rely tim dly

Part #HN67KJ077

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

Element 50SS400341
#158

Heater assy/wiring box assy diagram

Element

Part #50SS400341

$501.93
In Stock
Element 50SS400345
#178

Heater assy/wiring box assy diagram

Element

Part #50SS400345

$656.62
In Stock
Limit Switch HH19ZA196
#193

Heater assy/wiring box assy diagram

Limit switch

Part #HH19ZA196

$254.42
In Stock
Element 50SS400544
#139

Heater assy/wiring box assy diagram

Element

Part #50SS400544

$486.70
In Stock
Bolt AA06BS228
#44

Control box/indoor blower/pipong diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.83
In Stock
Limit Switch HH19ZA186
#192

Heater assy/wiring box assy diagram

Limit switch

Part #HH19ZA186

$109.22
In Stock
Grommet KA56DS001
#1

Duct side view/top view diagram

Grommet

Part #KA56DS001

This item is not returnable
$2.63
In Stock
Grommet P041-5103
#33

Control box/indoor blower/pipong diagram

Grommet

Part #P041-5103

$12.60
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

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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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Time required
15 minutes or less
How to replace the furnace flame sensor

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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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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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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 prevent the 2 most common AC failures from ruining your summer

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