Model # H8MPT125J20B1 Official ICP 80+ 2-stage gas furnace

Here are the diagrams and repair parts for Official ICP H8MPT125J20B1 80+ 2-stage gas furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 51 parts |

Furnace diagram

Control

Part #1172551

Replaced by #1172809

$339.63 |

$12.00 OFF Phone Price : $351.63

In Stock

Qty

#NI

Furnace diagram

Conv kit

Part #1172961

$81.07

In Stock

Qty

Furnace diagram

Furnace blower fan housing hanger bracket

Part #1012328

$301.63 |

$12.00 OFF Phone Price : $313.63

In Stock

Qty

#13

Furnace diagram

Furnace burner flame sensor

Part #1172827

$14.96 |

12% OFF Phone Price : $16.96

In Stock

Qty

Furnace diagram

Mount,blwr

Part #1014823

$107.35

In Stock

Qty

#11

Furnace diagram

Furnace burner igniter

Part #1172533

$54.54 |

10% OFF Phone Price : $60.54

In Stock

Qty

Furnace diagram

Furnace door switch

Part #1171981

$16.66

In Stock

Qty

Furnace diagram

Spur gear

Part #1014512

$38.00

In Stock

Qty

#NI

Furnace diagram

Conv kit

Part #1172959

$288.16

In Stock

Qty

Furnace diagram

Top panel

Part #1013984

$41.82

In Stock

Qty

Symptoms for electric ranges

Should I replace a damaged glass cooktop?

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

Why doesn't my electric range's surface element heat properly?

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

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

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

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

View all

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 # H8MPT125J20B1 Official ICP 80+ 2-stage gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for electric ranges

Should I replace a damaged glass cooktop?

Why doesn't my electric range's surface element heat properly?

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace an electric range oven control board

How to replace a range coil surface element

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

Parts & More

Stay Connected

Quick links

Let us help you

More resources