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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ALL PARTS
Showing 10 of 165 parts  |

Retainer Clip-crankcase Heater 10482601
#9062

Outer cabinet/compressor/tubing diagram

Retainer clip-crankcase heater

Part #10482601

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

Rev Valve Weld 11169304
#102

Outer cabinet/compressor/tubing diagram

Rev valve weld

Part #11169304

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

Restrictor B1443803

#241

All parts diagram

Restrictor

Part #B1443803

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

Harness-coil 10685009
#591

Tubing diagram

Harness-coil

Part #10685009

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

Dist Assy (4) 11174205
#27

Tubing diagram

Dist assy (4)

Part #11174205

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

Tube-comp/accum 20022201
#26

Tubing diagram

Tube-comp/accum

Part #20022201

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

Sweat Valve 11030920
#3021

Tubing diagram

Sweat valve

Part #11030920

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

Tube-rvlv/svwd 20022401
#9972

Outer cabinet/compressor/tubing diagram

Tube-rvlv/svwd

Part #20022401

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

Tube-sweat Vlv 11048703
#62

Tubing diagram

Tube-sweat vlv

Part #11048703

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

Dist Assy(4) 11174202
#18

Tubing diagram

Dist assy(4)

Part #11174202

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...

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

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...

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.

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...

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...

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....

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.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long....

How to enjoy all the online benefits we offer on our Sears PartsDirect website

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....

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....