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Weatherking
Furnace

Model # GUWE/GUWC Official Weatherking upflow furnace

Here are the diagrams and repair parts for Official Weatherking GUWE-GUWC upflow furnace, 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 160 parts  |
Relay-plug 42-19423-01

#21

All parts diagram

Relay-plug

Part #42-19423-01

Replaced by #WR90-370

?
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
Weatherking Blow Cutoff AE-64401-18

#28C

All parts diagram

Weatherking blow cutoff

Part #AE-64401-18

$23.58
In Stock
Rheem Furnace Intermittent Pilot Ignition Control Module 62-21747-02

#37

All parts diagram

Rheem furnace intermittent pilot ignition control module

Part #62-21747-02

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

Plt W/orfc 62-21743-05

#34

All parts diagram

Plt w/orfc

Part #62-21743-05

$196.71
In Stock
Weatherking Door Switch 42-21268-04

#17

All parts diagram

Weatherking door switch

Part #42-21268-04

$96.20
In Stock
Orifice 62-22175-45
Orifice

Part #62-22175-45

$28.43
In Stock
Gas Valve 60-22525-06
Gas valve

Part #60-22525-06

$336.20
In Stock
Rheem Pilot 62-19640-04

#NII

All parts diagram

Rheem pilot

Part #62-19640-04

$63.96
In Stock
Orifice 62-42137-86

#NI

All parts diagram

Orifice

Part #62-42137-86

$105.62
In Stock
Orifice 62-42137-85

#NI

All parts diagram

Orifice

Part #62-42137-85

$27.22
In Stock

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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Why won't my pressure washer mix in the detergent?

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai...

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Why is smoke coming from the pressure washer's exhaust?

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee...

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Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter...

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Why does my pressure washer's engine lose power?

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve...

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Why is the spray from my pressure washer weak?

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu...

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Why doesn't my pressure washer recoil starter work?

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston...

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Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator...

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Why won't my pressure washer engine start?

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re...

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Why does water spray out of my pressure washer's pressure relief valve?

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba...

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Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

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How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv...

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Repair difficulty
Time required
120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t...

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Repair difficulty
Time required
45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t...

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Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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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....

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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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....

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