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Janitrol
Heating & Cooling Combined Unit

Model # PC042-3 Official Janitrol packaged air conditioner

Here are the diagrams and repair parts for Official Janitrol PC042-3 packaged air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 114 parts  |
Capacitor B9457-8700
#16D

Unit parts diagram

Capacitor

Part #B9457-8700

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

Fan Blade B10867-56
#1A

Unit parts diagram

Fan blade

Part #B10867-56

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

Capacitor B9457-5600
#16C

Unit parts diagram

Capacitor

Part #B9457-5600

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

Delay Relay B13707-38
#12

Unit parts diagram

Delay relay

Part #B13707-38

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

Capacitor B9457-5300
#16A

Unit parts diagram

Capacitor

Part #B9457-5300

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

Blower Wheel B13680-36
#10B

Unit parts diagram

Blower wheel

Part #B13680-36

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

Contactor 35 B13603-25
#9B

Unit parts diagram

Contactor 35

Part #B13603-25

Replaced by #CONT2P040024VS

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Manufacturer substitution
This part replaces B13603-25. Substitute parts can look different from the original.
$55.52
| 
10% OFF Phone Price : $61.52
In Stock
Blower Wheel B13680-42
#10C

Unit parts diagram

Blower wheel

Part #B13680-42

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

Capacitor B9456-52
#15B

Unit parts diagram

Capacitor

Part #B9456-52

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

Capacitor B9456-50
Capacitor

Part #B9456-50

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...

Read more

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...

Read more

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 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...

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