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Payne
Heating & Cooling Combined Unit

Model # PA1ZNA036000AAAA Official Payne central package

Here are the diagrams and repair parts for Official Payne PA1ZNA036000AAAA central package, 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 48 parts  |
Rely Tim Dly HN67KJ077
#40

Control box/base pan assy diagram

Rely tim dly

Part #HN67KJ077

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

Sideplate 50ZP500024
#20

Indoor fan assy diagram

Sideplate

Part #50ZP500024

$119.86
In Stock
Grommet KA56DS001
#13

Control box/base pan assy diagram

Grommet

Part #KA56DS001

This item is not returnable
$2.63
In Stock
Bolt AH20AB204
#7

Control box/base pan assy diagram

Bolt

Part #AH20AB204

This item is not returnable
$2.16
In Stock
Grommet KA56GR140
#14

Outside view diagram

Grommet

Part #KA56GR140

This item is not returnable
$3.11
In Stock
Mount 50ZP400040
#19

Indoor fan assy diagram

Mount

Part #50ZP400040

$46.13
In Stock
Paint 313974-751
#14A

Grills diagram

Paint

Part #313974-751

$60.89
In Stock
Carrier Coil Assembly 50ZP400121
#33

Compressor/blower assy diagram

Carrier coil assembly

Part #50ZP400121

$929.65
In Stock
Orifice 50ZP500026
Orifice

Part #50ZP500026

$87.78
In Stock
Sideplate 50ZP500025
#21

Indoor fan assy diagram

Sideplate

Part #50ZP500025

$60.38
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

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

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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