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Payne
Heating & Cooling Combined Unit

Model # PH3ZNA042000AA Official Payne package unit

Here are the diagrams and repair parts for Official Payne PH3ZNA042000AA package unit, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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Showing 10 of 63 parts  |
Contactor HN51JD024
#NI

Cabinet parts diagram

Contactor

Part #HN51JD024

Replaced by #90-244

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Manufacturer substitution
This part replaces HN51JD024. Substitute parts can look different from the original.
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$26.61 | 
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In Stock
Flange 50ZP500031
#NI

Cabinet parts diagram

Flange

Part #50ZP500031

$48.96
In Stock
Fan Blade LA01RA033
#NI

Cabinet parts diagram

Fan blade

Part #LA01RA033

$363.47
In Stock
Bolt AA06BS228
#NI

Cabinet parts diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.94
In Stock
Panel,elec 50ZP500345
#12

Cabinet parts diagram

Panel,elec

Part #50ZP500345

$315.82
In Stock
Plug Assembly HY07MP261
#NI

Cabinet parts diagram

Plug assembly

Part #HY07MP261

$108.12
In Stock
Pan Base 50ZP400053
#NI

Cabinet parts diagram

Pan base

Part #50ZP400053

$848.34
In Stock
Temp Swtch HH18HA282
#NI

Cabinet parts diagram

Temp swtch

Part #HH18HA282

$51.96
In Stock
Panel 50ZP500339
#11

Cabinet parts diagram

Panel

Part #50ZP500339

$399.67
In Stock
Band, Mtr HC98ZZ485
#NI

Cabinet parts diagram

Band, mtr

Part #HC98ZZ485

$33.96
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 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

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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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 15 minutes or less
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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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Effective articles & videos to help repair your heating & cooling combined units

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