Rheem
Central Air Conditioner

Model # RF40B1 Official Rheem condensing unit

Here are the diagrams and repair parts for Official Rheem RF40B1 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  |

Float Valve Assembly RMV-187
#23

Unit parts diagram

Float valve assembly

Part #RMV-187

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

Coil Kit AS-210-356
#24

Unit parts diagram

Coil kit

Part #AS-210-356

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

Contactor RES-503
#9A

Unit parts diagram

Contactor

Part #RES-503

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

Service Valve, Liquid RMV-181
#3

Unit parts diagram

Service valve, liquid

Part #RMV-181

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

Spray Nozzle RMV-2
#28

Unit parts diagram

Spray nozzle

Part #RMV-2

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

Run Capacitor REC-144
#6

Unit parts diagram

Run capacitor

Part #REC-144

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

Pump "v" Belt RMA-14-35
#19

Unit parts diagram

Pump "v" belt

Part #RMA-14-35

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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 prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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Top questions about Sears and Sears PartsDirect

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