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Rheem
Central Air Conditioner

Model # RF40B3 Official Rheem condensing unit

Here are the diagrams and repair parts for Official Rheem RF40B3 condensing unit, 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 49 parts  |
Control Compartment Cover AD-217-13
#36

Unit parts diagram

Control compartment cover

Part #AD-217-13

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

Condenser Side Wall R.h. AS-217-131
#44

Unit parts diagram

Condenser side wall r.h.

Part #AS-217-131

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

Condenser Panel Assy. AS-217-137
#32

Unit parts diagram

Condenser panel assy.

Part #AS-217-137

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

Air Conditioner Blower Housing AS-217-53
#14

Unit parts diagram

Air conditioner blower housing

Part #AS-217-53

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

Pump Discharge Assy. AS-310-31
#20

Unit parts diagram

Pump discharge assy.

Part #AS-310-31

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

Crankcase Heater RMM-765-6
#4

Unit parts diagram

Crankcase heater

Part #RMM-765-6

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

Mounting Bars, Blower RMB-145
#13

Unit parts diagram

Mounting bars, blower

Part #RMB-145

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

Potential Relay RES-560-1
#8

Unit parts diagram

Potential relay

Part #RES-560-1

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

Start Capacitor REC-156-1
#5

Unit parts diagram

Start capacitor

Part #REC-156-1

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

Entrainment Separator AD-217-101
#26

Unit parts diagram

Entrainment separator

Part #AD-217-101

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

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Read more

Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Read more

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

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Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Read more
Repair difficulty
Time required
 45 minutes or less

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Maintaining your air conditioner

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