Coleman Evcon
Central Air Conditioner

Model # DPHH0421BA Official Coleman Evcon 12 seer packaged heat pump

Here are the diagrams and repair parts for Official Coleman Evcon DPHH0421BA 12 seer packaged heat pump, 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 78 parts  |

Run Capactr 1499-4491
#24

Unit parts diagram

Run capactr

Part #1499-4491

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

Hi-press Sw 1462-3751/A
#33

Unit parts diagram

Hi-press sw

Part #1462-3751/A

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

Expanson Vlv 1454-0501
#41

Unit parts diagram

Expanson vlv

Part #1454-0501

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

Expansion Valve 3730-3701
#41A

Unit parts diagram

Expansion valve

Part #3730-3701

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

Top Assembly 7455-1021/B
#2

Unit parts diagram

Top assembly

Part #7455-1021/B

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

Duct Flange 4436-2051
#50

Unit parts diagram

Duct flange

Part #4436-2051

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

Rear Panel 7455-1471/C
#56

Unit parts diagram

Rear panel

Part #7455-1471/C

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

Fuse Pkg 6536-3071
#10

Unit parts diagram

Fuse pkg

Part #6536-3071

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

Fuse 6560-3071
#10A

Unit parts diagram

Fuse

Part #6560-3071

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

Duct Flange 7436A2881
#49

Unit parts diagram

Duct flange

Part #7436A2881

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your treadmill.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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.…