Model # NHGI100BH03 Official ICP furnace

Here are the diagrams and repair parts for Official ICP NHGI100BH03 furnace, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 107 parts |

#11

Functional replacement parts diagram

Gas valve

Part #1004606

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

Functional replacement parts diagram

Dpdt relay

Part #1056363

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

#15

Functional replacement parts diagram

Pilot burner

Part #638009

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

#2D

Functional replacement parts diagram

Blower wheel

Part #638195

$443.93

In Stock

Qty

Furnace Blower Fan Wheel (replaces 1149145, 1162422, 1645225, 1665008, 1680076, 1695012, 24020801, 600957, 601004, 72978, H600587) 600587

#2B

Functional replacement parts 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

Qty

#2C

Functional replacement parts diagram

Blower wheel

Part #96319

$232.85

In Stock

Qty

#2A

Functional replacement parts diagram

Furnace blower fan wheel

Part #611795

$168.16

In Stock

Qty

#16B

Functional replacement parts diagram

Heat exchanger

Part #1150183

$626.12

In Stock

Qty

#1B

Functional replacement parts diagram

Capacitor

Part #100193

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

Functional replacement parts diagram

Transformer

Part #638010

Replaced by #90-4031F

$10.99

In Stock

Qty

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

View all

Why does my water softener overflow?

Main causes: faulty brine valve assembly, bad rotor valve…

Why does my water softener leak water?

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

Why are water softener resin beads in my water?

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

Why isn't my water softener meter working?

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

Why isn't my water softener using salt?

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

Why is there no display on my water softener?

Main causes: lack of electrical power, bad power transformer, faulty timer…

Why isn't my water softener softening my water?

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

Why is my softened water salty?

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

Repair guides for water softeners

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

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How to replace a water softener valve motor

The valve motor rotates the valve rotor to operate the water softener. If the water softener valve motor fails, follow t…

Repair difficulty

Time required

30 minutes or less

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

Repair difficulty

Time required

15 minutes or less

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Repair difficulty

Time required

30 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 water softener.

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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

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

Top questions about Sears and Sears PartsDirect

Model # NHGI100BH03 Official ICP furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for water softeners

Why does my water softener overflow?

Why does my water softener leak water?

Why are water softener resin beads in my water?

Why isn't my water softener meter working?

Why isn't my water softener using salt?

Why is there no display on my water softener?

Why isn't my water softener softening my water?

Why is my softened water salty?

Repair guides for water softeners

How to replace a water softener valve motor

How to replace a water softener venturi

How to replace a water softener rotor position switch

Effective articles & videos to help repair your furnaces

How to get your furnace ready for winter

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

Top questions about Sears and Sears PartsDirect

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