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Payne
Heating & Cooling Combined Unit

Model # PA3ZNA048000AA Official Payne heat pump

Here are the diagrams and repair parts for Official Payne PA3ZNA048000AA heat pump, 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 60 parts  |
Contactor HN51JD024
#NI

Cabinet parts diagram

Contactor

Part #HN51JD024

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

Wrpper Asy 50ZP400429
#3

Cabinet parts diagram

Wrpper asy

Part #50ZP400429

$629.93
In Stock
Panel 50ZP500339
#11

Cabinet parts diagram

Panel

Part #50ZP500339

$399.67
In Stock
Grille 50ZH500246
#1

Cabinet parts diagram

Grille

Part #50ZH500246

$415.87
In Stock
Grommet KA56TR056
#NI

Cabinet parts diagram

Grommet

Part #KA56TR056

$25.31
In Stock
Valve,serv EC39EZ065
#NI

Cabinet parts diagram

Valve,serv

Part #EC39EZ065

$9.11
In Stock
Panel Assembly 50ZP400440
#4

Cabinet parts diagram

Panel assembly

Part #50ZP400440

$230.84
In Stock
Wire Recpt HY07MP317
#NI

Cabinet parts diagram

Wire recpt

Part #HY07MP317

$37.49
In Stock
Top Cover 50ZP400614
#9

Cabinet parts diagram

Top cover

Part #50ZP400614

$346.53
In Stock
Wheel,blwr LA22LA108
#NI

Cabinet parts diagram

Wheel,blwr

Part #LA22LA108

$289.16
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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 15 minutes or less
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How to replace a heating and air conditioning system thermostat

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