Model # MPGA-B-B Official Ducane gas furnace

Here are the diagrams and repair parts for Official Ducane MPGA-B-B 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 40 parts |

#43

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Ducane igniter

Part #80M29

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

Ducane Furnace Burner Flame Sensor 28M97

#44

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Ducane furnace burner flame sensor

Part #28M97

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

#42

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Ducane orifice

Part #71L05

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

Ducane Furnace Blower 3-speed Fan Motor 59M51

#91

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Ducane furnace blower 3-speed fan motor

Part #59M51

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

#28

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Ducane furnace roll-out switch

Part #52M73

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

Ducane Furnace Electronic Integrated Control Board 80M27

#21

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Ducane furnace electronic integrated control board

Part #80M27

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

#26

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Ducane limit control

Part #87H90

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

#47

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Ducane gas valve

Part #93M80

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

#70

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Ducane inducer draft assembly

Part #70L60

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

#40

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Ducane burner

Part #71L03

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

Repair guides for rear-tine tillers

How to replace a tiller drive belt

The drive belt connects the engine to the transmission, which drives the tines and wheels. If the drive belt is worn an…

Repair difficulty

Time required

15 minutes or less

How to replace the tines on a rear-tine tiller

Badly worn tines cut through the soil less effectively. If the tines are bent, dull or worn, follow these steps to repla…

Repair difficulty

Time required

30 minutes or less

Effective articles & videos to help repair your furnaces

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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.…

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Top questions about Sears and Sears PartsDirect

Model # MPGA-B-B Official Ducane gas furnace

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Repair guides for rear-tine tillers

How to replace a tiller drive belt

How to replace the tines on a rear-tine tiller

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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