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Amana
Heating & Cooling Combined Unit

Model # RHA36A3B/P1180221C Official Amana air conditioner & heater

Here are the diagrams and repair parts for Official Amana RHA36A3B-P1180221C air conditioner & heater, 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 167 parts  |
Comp-cp Cr35k6-tfd 10481812
#32

Outer cabinet/compressor/tubing diagram

Comp-cp cr35k6-tfd

Part #10481812

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

Gasket 10777501
#111

Outer cabinet/compressor/tubing diagram

Gasket

Part #10777501

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

Valve-sweat 20023002
#23

Tubing diagram

Valve-sweat

Part #20023002

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

Tube-liq/dist 11170402
#78

Tubing diagram

Tube-liq/dist

Part #11170402

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

Lug, Ground A9015203
#41

Control box diagram

Lug, ground

Part #A9015203

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

Restrictor ("f" [orifice] Models Only) B1443809

#241

All parts diagram

Restrictor ("f" [orifice] models only)

Part #B1443809

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

Rha18a2b-spec Sht 11187306

#NI

All parts diagram

Rha18a2b-spec sht

Part #11187306

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

Relay-start 10142307
#251

Control box diagram

Relay-start

Part #10142307

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

Basepan 10229602
#12

Outer cabinet/compressor/tubing diagram

Basepan

Part #10229602

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

Piston-orif 0710 11076318

#221

All parts diagram

Piston-orif 0710

Part #11076318

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.

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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 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 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 is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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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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Most common repair guides to help fix your heating & cooling combined units

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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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Time required
 15 minutes or less
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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

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

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