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Payne
Heating & Cooling Combined Unit

Model # PA1ZNA042000AAAA Official Payne central package

Here are the diagrams and repair parts for Official Payne PA1ZNA042000AAAA 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 47 parts  |
Contactor HN51KB024
#39

Control box/base pan assy diagram

Contactor

Part #HN51KB024

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
Switch HH22QA040
#NI

Outside view diagram

Switch

Part #HH22QA040

$199.13
In Stock
Pressuresta HK02ZB027
#NI

Outside view diagram

Pressuresta

Part #HK02ZB027

$108.04
In Stock
Press Switch HK02ZA395
#NI

Outside view diagram

Press switch

Part #HK02ZA395

$92.77
| 
6% OFF Phone Price : $98.77
In Stock
Strainer KH11NH074
#35

Compressor/blower assy diagram

Strainer

Part #KH11NH074

$33.67
In Stock
Flange 50ZP500031
#3

Outside view diagram

Flange

Part #50ZP500031

$48.96
In Stock
Mount 50ZP400040
#19

Indoor fan assy diagram

Mount

Part #50ZP400040

$46.13
In Stock
Carrier Scroll 50ZP500190
#23

Indoor fan assy diagram

Carrier scroll

Part #50ZP500190

$1161.09
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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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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Maintaining your air conditioner

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