Thermal Zone
Heating & Cooling Combined Unit

Model # PN048K120-1 Official Thermal Zone single-package gas pack

Here are the diagrams and repair parts for Official Thermal Zone PN048K120-1 single-package gas pack, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 82 parts  |

Furnace Electronic Control Board 903106
#29

Single package gas pack diagram

Furnace electronic control board

Part #903106

In Stock
Control Board 903162
#54

Single package gas pack diagram

Control board

Part #903162

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

Fan Blade 667278
#23

Single package gas pack diagram

Fan blade

Part #667278

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

Limit Switch 626432
#56

Single package gas pack diagram

Limit switch

Part #626432

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

Time Delay 621586
#28

Single package gas pack diagram

Time delay

Part #621586

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

Blow Motor 913359
#20

Single package gas pack diagram

Blow motor

Part #913359

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

Fan Motor 621721
#22

Single package gas pack diagram

Fan motor

Part #621721

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

Gas Valve 624586
#60

Single package gas pack diagram

Gas valve

Part #624586

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

Switch 632212
#55

Single package gas pack diagram

Switch

Part #632212

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

Sensor Rod 632316
#63

Single package gas pack diagram

Sensor rod

Part #632316

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

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

Thermostat problem, clogged air filter, burner failure…

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

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How to replace the furnace flame sensor

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How to replace a heating and air conditioning system thermostat

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Effective articles & videos to help repair your heating & cooling combined units

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