Rheem
Furnace

Model # GYB Official Rheem furnace

Here are the diagrams and repair parts for Official Rheem GYB furnace, 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 113 parts  |

Relay-plug 42-19423-01
#26

Replacement parts diagram

Relay-plug

Part #42-19423-01

Replaced by #WR90-370

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Manufacturer substitution
This part replaces 42-19423-01. Substitute parts can look different from the original.
$21.63
22% OFF Phone Price : $27.63
In Stock
Pilot Burner 62-21609-01
#29

Replacement parts diagram

Pilot burner

Part #62-21609-01

In Stock
Weatherking Blow Cutoff AE-64401-07
#32A

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-07

In Stock
Blower Wheel 70-18625-01
#34B

Replacement parts diagram

Blower wheel

Part #70-18625-01

In Stock
Orifice 62-22175-45
#37AB

Replacement parts diagram

Orifice

Part #62-22175-45

In Stock
Relay 42-18287-12
#22

Replacement parts diagram

Relay

Part #42-18287-12

In Stock
Blow Cutoff AE-64401-06
#32B

Replacement parts diagram

Blow cutoff

Part #AE-64401-06

In Stock
Weatherking Blow Cutoff AE-64401-05
#32C

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-05

In Stock
Orifice 62-22175-43
#37AC

Replacement parts diagram

Orifice

Part #62-22175-43

In Stock
Extension Assembly AS-63593-01
#10A

Replacement parts diagram

Extension assembly

Part #AS-63593-01

In Stock

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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