Furnace

Model # GUC Official Rheem gas-fired horizontal heating unit

Here are the diagrams and repair parts for Official Rheem GUC gas-fired horizontal heating unit, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
GUC Gas-Fired Horizontal Heating Unit
Relay-plug 42-19423-01
#28

Replacement parts diagram

Relay-plug

Part #42-19423-01

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

Weatherking Blow Cutoff AE-64401-07

#NI

All parts diagram

Weatherking blow cutoff

Part #AE-64401-07

In Stock
Blow Cutoff AE-64401-06

#NI

All parts diagram

Blow cutoff

Part #AE-64401-06

In Stock
Filter 54-17531-04

#NI

All parts diagram

Filter

Part #54-17531-04

In Stock
Weatherking Blow Cutoff AE-64401-18

#NI

All parts diagram

Weatherking blow cutoff

Part #AE-64401-18

In Stock
Gas Valve 60-21103-01
#33

Replacement parts diagram

Gas valve

Part #60-21103-01

In Stock
Pilot 62-19125-01
#30A

Replacement parts diagram

Pilot

Part #62-19125-01

In Stock
Orifice 62-20003-13
#29A

Replacement parts diagram

Orifice

Part #62-20003-13

In Stock
Orifice 62-20003-47
#29B

Replacement parts diagram

Orifice

Part #62-20003-47

In Stock
Orifice 62-20003-46
#29C

Replacement parts diagram

Orifice

Part #62-20003-46

In Stock

Symptoms for electric ranges

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…

Repair difficulty
Time required
 45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Repair difficulty
Time required
 15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

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.…

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.…