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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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ALL PARTS
Showing 10 of 48 parts  |
Contactor HN51KB024
#39

Control box/base pan assy diagram

Contactor

Part #HN51KB024

Replaced by #90-244

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Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
BEST SELLER
$26.61 | 
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In Stock
Orifice 50ZP500026
Orifice

Part #50ZP500026

$87.78
In Stock
Pressuresta HK02ZB027
#NI

Outside view diagram

Pressuresta

Part #HK02ZB027

$108.04
In Stock
Sideplate 50ZP500025
#21

Indoor fan assy diagram

Sideplate

Part #50ZP500025

$60.38
In Stock
Paint 313974-751
#14A

Grills diagram

Paint

Part #313974-751

$60.89
In Stock
Top Cover 50ZP400054
#9

Grills diagram

Top cover

Part #50ZP400054

$282.29
In Stock
Flange 50ZP500031
#3

Outside view diagram

Flange

Part #50ZP500031

$48.96
In Stock
Switch HH22QA040
#NI

Outside view diagram

Switch

Part #HH22QA040

$206.11
In Stock
Carrier Coil Assembly 50ZP400121
#33

Compressor/blower assy diagram

Carrier coil assembly

Part #50ZP400121

$929.65
In Stock
Mount 50ZP400040
#19

Indoor fan assy diagram

Mount

Part #50ZP400040

$46.13
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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Repair difficulty
Time required
 15 minutes or less
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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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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

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