Craftsman
Central Air Conditioner

Model # 257798910 Official Craftsman electric blower

Here are the diagrams and repair parts for Official Craftsman 257798910 electric blower, 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 27 parts  |

Housing Q4446-03
#3

Replacement parts diagram

Housing

Part #Q4446-03

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

Harness Assembly 4410
#1

Replacement parts diagram

Harness assembly

Part #4410

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

Retaining Ring 2467-1
#20

Replacement parts diagram

Retaining ring

Part #2467-1

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

Washer 52-020
#26

Replacement parts diagram

Washer

Part #52-020

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

Holder 26-007
#21

Replacement parts diagram

Holder

Part #26-007

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

Field Assembly 4401
#18

Replacement parts diagram

Field assembly

Part #4401

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

Sleeve 4084-05
#9

Replacement parts diagram

Sleeve

Part #4084-05

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

On/off Swtch 3325-1
#10

Replacement parts diagram

On/off swtch

Part #3325-1

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

Screw 2224
#6

Replacement parts diagram

Screw

Part #2224

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

Brush End Assembly 71-064-1
#24

Replacement parts diagram

Brush end assembly

Part #71-064-1

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

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

Main causes: faulty brine valve assembly, bad rotor valve…

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

Main causes: lack of electrical power, bad power transformer, faulty timer…

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

Repair guides for water softeners

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

How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

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 water softener.

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.…