Yukon
Furnace

Model # M-99-70 Official Yukon oil-fired furnace

Here are the diagrams and repair parts for Official Yukon M-99-70 oil-fired 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 129 parts  |

Wheel 2999U
#9

Beckett afg diagram

Wheel

Part #2999U

In Stock
Hvac Equipment Oil Burner Connector Tube 2454
#10

Beckett afg diagram

Hvac equipment oil burner connector tube

Part #2454

In Stock
Nozzle 14455-065
#6

Hs burner yukon (10160000) diagram

Nozzle

Part #14455-065

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

Burner Panel Ass'y RM10424
#8

Casing assembly (rm10400) diagram

Burner panel ass'y

Part #RM10424

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

Support Clp 100447-001
#12

Hs burner yukon (10160000) diagram

Support clp

Part #100447-001

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

Harness Motor 10177800
#5

Electrical wire harness assembly (rm10489) diagram

Harness motor

Part #10177800

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

Top Door RM10481
#14

Combustion/heat exchanger/coil assembly (rm10450) diagram

Top door

Part #RM10481

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

Clamp 10169800
#7

Vent & drain assembly (1018830) diagram

Clamp

Part #10169800

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

Air Band 3492BKA
#3

Beckett afg diagram

Air band

Part #3492BKA

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

Bushing 1/2" Od 10174100
#22

Casing assembly (rm10400) diagram

Bushing 1/2" od

Part #10174100

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up...

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade...

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key...

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel...

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba...

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent...

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks....

Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope....

Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix....

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 walk-behind lawn mower.

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....

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

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