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GE
Furnace

Model # NF80U045S3A54 Official GE hvac-gas furnace

Here are the diagrams and repair parts for Official GE NF80U045S3A54 hvac-gas 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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ALL PARTS
Showing 10 of 42 parts  |
607436-03 Ignition Control Kit 16C81
#30

Cabinet (1) diagram

607436-03 ignition control kit

Part #16C81

$115.56
In Stock
103247-09 Switch-pressure .65 80W57
#20

Cabinet (2) diagram

103247-09 switch-pressure .65

Part #80W57

$48.80
In Stock
Gea Badge 107213-05
#9997

Cabinet (1) diagram

Gea badge

Part #107213-05

$10.74
In Stock
Lb-112237b Ignitor Assembly (100536-03) 70W16
#120

Cabinet (2) diagram

Lb-112237b ignitor assembly (100536-03)

Part #70W16

$83.31
In Stock
Lb-74940b Flame Sensor Kit (102431-02) 69W43
#210

Cabinet (2) diagram

Lb-74940b flame sensor kit (102431-02)

Part #69W43

$63.98
In Stock
Lb-97803a Tubing-pressure Switch 98L78
#7

Optional accessories diagram

Lb-97803a tubing-pressure switch

Part #98L78

$58.22
In Stock
102837-01 Valve-gas (nat) 73W17
#40

Cabinet (2) diagram

102837-01 valve-gas (nat)

Part #73W17

$138.36
In Stock
102135-09 Control-limit (220f) 69W42
#10

Cabinet (1) diagram

102135-09 control-limit (220f)

Part #69W42

$37.49
In Stock
607421-01 X 13 1/2hp Motor-prog..blower 81W32
#72

Cabinet (1) diagram

607421-01 x 13 1/2hp motor-prog..blower

Part #81W32

$335.55
In Stock
102317-01 Switch-interlock 51W15
#270

Cabinet (1) diagram

102317-01 switch-interlock

Part #51W15

$23.97
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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