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Coleman Evcon
Central Air Conditioner

Model # DRHQ0421CB Official Coleman Evcon remote heat pump

Here are the diagrams and repair parts for Official Coleman Evcon DRHQ0421CB remote 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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ALL PARTS
Showing 10 of 53 parts  |
Bullet Restr 1454-4531
#25B

Unit parts diagram

Bullet restr

Part #1454-4531

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

Hi-temp Sw 9218-3331
#18

Unit parts diagram

Hi-temp sw

Part #9218-3331

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

Filter Drier 1458-0011
#12

Unit parts diagram

Filter drier

Part #1458-0011

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

Capacitor 1498-5551
#29C

Unit parts diagram

Capacitor

Part #1498-5551

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

Accumulator 1458-2621
#20

Unit parts diagram

Accumulator

Part #1458-2621

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

Coil 6904-4091
#8A

Unit parts diagram

Coil

Part #6904-4091

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

Capacitor 1498-5301
#29

Unit parts diagram

Capacitor

Part #1498-5301

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

Capacitor 1498-5351
#29A

Unit parts diagram

Capacitor

Part #1498-5351

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

Capacitor 1498-5401
#29B

Unit parts diagram

Capacitor

Part #1498-5401

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

Coil 6903-4511
#8

Unit parts diagram

Coil

Part #6903-4511

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

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

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 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 grass line trimmer.

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Maintaining your air conditioner

Maintaining your air conditioner

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

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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

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Top questions about Sears and Sears PartsDirect

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