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ICP
Furnace

Model # NULK075DG05 Official ICP condensing upflow gas furnace

Here are the diagrams and repair parts for Official ICP NULK075DG05 condensing upflow 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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Showing 10 of 161 parts  |
Module 1005651
#5

Functional replacement parts/769455 diagram

Module

Part #1005651

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

Capacitor 91593
Capacitor

Part #91593

Replaced by #12908

?
Manufacturer substitution
This part replaces 91593. Substitute parts can look different from the original.
This item is not returnable
$5.26 | 
16% OFF Phone Price : $6.26
In Stock
Furnace Blower Fan Wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, H600587) 600587
#10A

Functional replacement parts/769455 diagram

Furnace blower fan wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, h600587)

Part #600587

$130.20 | 
8% OFF Phone Price : $142.20
In Stock
Furnace Temperature Limit Switch 1003176
#9A

Functional replacement parts/769455 diagram

Furnace temperature limit switch

Part #1003176

$32.27
In Stock
Furnace Burner 613709
Furnace burner

Part #613709

$177.29 | 
6% OFF Phone Price : $189.29
In Stock
Timer Fan 1005963
#4

Functional replacement parts/769437 diagram

Timer fan

Part #1005963

Replaced by #7070

?
Manufacturer substitution
This part replaces 1005963. Substitute parts can look different from the original.
$86.18 | 
7% OFF Phone Price : $92.18
In Stock
Capacitor 613531
#13A

Functional replacement parts/769437 diagram

Capacitor

Part #613531

Replaced by #12910

?
Manufacturer substitution
This part replaces 613531. Substitute parts can look different from the original.
$8.37 | 
11% OFF Phone Price : $9.37
In Stock
Furnace Temperature Limit Switch, 130-degrees 1003174
Furnace temperature limit switch, 130-degrees

Part #1003174

Replaced by #1013105

?
Manufacturer substitution
This part replaces 1003174. Substitute parts can look different from the original.
This item is not returnable
$15.14
In Stock
Timer 1005964
#4

Functional replacement parts/769455 diagram

Timer

Part #1005964

Replaced by #7070

?
Manufacturer substitution
This part replaces 1005964. Substitute parts can look different from the original.
$86.18 | 
7% OFF Phone Price : $92.18
In Stock
Sears Bracket 1003363
Sears bracket

Part #1003363

$55.24
In Stock

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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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 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 won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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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 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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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 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 doesn't my pressure washer recoil starter work?

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

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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 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
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 replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

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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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