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Rheem
Heating & Cooling Combined Unit

Model # RRMA-A18J Official Rheem gas/electric package unit

Here are the diagrams and repair parts for Official Rheem RRMA-A18J gas/electric package unit, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 101 parts  |
Motor 51-23024-31

#52

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Motor

Part #51-23024-31

Replaced by #45461

?
Manufacturer substitution
This part replaces 51-23024-31. Substitute parts can look different from the original.
BEST SELLER
$207.04
In Stock
Central Air Conditioner Start Capacitor (replaces U18-881) 43-17075-04

#NI05

All parts diagram

Central air conditioner start capacitor (replaces u18-881)

Part #43-17075-04

This item is not returnable
$28.38
In Stock
Capacitor 43-23204-03

#29

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Capacitor

Part #43-23204-03

Replaced by #43-25133-02

?
Manufacturer substitution
This part replaces 43-23204-03. Substitute parts can look different from the original.
$17.66
In Stock
Limit Switch 47-22861-01

#63

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Limit switch

Part #47-22861-01

Replaced by #47-100241-01

?
Manufacturer substitution
This part replaces 47-22861-01. Substitute parts can look different from the original.
$28.20
In Stock
Expnsn Vlv 61-21922-52

#40A

All parts diagram

Expnsn vlv

Part #61-21922-52

$186.96
In Stock
Coil Evapor AS-58627-91

#34B

All parts diagram

Coil evapor

Part #AS-58627-91

$1163.20
In Stock
Furnace Burner Flame Sensor 62-23543-02

#71

All parts diagram

Furnace burner flame sensor

Part #62-23543-02

$22.63
In Stock
Brnr Sup Brk AE-61588-01

#67

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Brnr sup brk

Part #AE-61588-01

$170.36
In Stock
Coil Evapor AS-58627-82

#34C

All parts diagram

Coil evapor

Part #AS-58627-82

$899.77
In Stock
Blower Wheel 70-18631-01

#50

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Blower wheel

Part #70-18631-01

$191.76
In Stock

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

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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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 15 minutes or less
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Effective articles & videos to help repair your heating & cooling combined units

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