York
Furnace

Model # P3HUC20N06401 Official York furnace

Here are the diagrams and repair parts for Official York P3HUC20N06401 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 52 parts  |

Kero-sun Furnace Burner 029-20482-000
#19

Multi-position natural gas(80+) diagram

Kero-sun furnace burner

Part #029-20482-000

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

Furnace Temperature Limit Switch 025-29041-005
#4

Multi-position natural gas(80+) diagram

Furnace temperature limit switch

Part #025-29041-005

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

Wiring Harness 373-17837-002
#48

Multi-position natural gas(80+) diagram

Wiring harness

Part #373-17837-002

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

Valve 025-31996-000
#11

Multi-position natural gas(80+) diagram

Valve

Part #025-31996-000

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

Mount 026-31459-000
#46

Multi-position natural gas(80+) diagram

Mount

Part #026-31459-000

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

Switch 025-27792-009
#12A

Multi-position natural gas(80+) diagram

Switch

Part #025-27792-009

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

Deck, Blower  (rear) 073-12082-001
#21

Multi-position natural gas(80+) diagram

Deck, blower (rear)

Part #073-12082-001

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

Flue Baffle 073-17775-002
#18

Multi-position natural gas(80+) diagram

Flue baffle

Part #073-17775-002

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

Panel, Access (burners) 073-17520-003
#25

Multi-position natural gas(80+) diagram

Panel, access (burners)

Part #073-17520-003

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

Limit Control 025-30321-700
#13

Multi-position natural gas(80+) diagram

Limit control

Part #025-30321-700

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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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

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

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…

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

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…