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Craftsman
Water Pump

Model # 390291197 Official Craftsman captive air tank

Here are the diagrams and repair parts for Official Craftsman 390291197 captive air tank, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 28 parts  |
Sta-rite Captive Air Tank Air Valve (replaces U212-159, U212-162) U212-160
Sta-rite captive air tank air valve (replaces u212-159, u212-162)

Part #U212-160

This item is not returnable
$25.18 | 
19% OFF Phone Price : $31.18
Back Order
Sta-rite Elbow U78-769P
Sta-rite elbow

Part #U78-769P

$17.16
In Stock
Sta-rite Pump Nut U36-202BT
Sta-rite pump nut

Part #U36-202BT

$9.99 | 
9% OFF Phone Price : $10.99
Back Order
Hose U74-37J
#3

Fittings package no. 2788 diagram

Hose

Part #U74-37J

Replaced by #PKG112

?
Manufacturer substitution
This part replaces U74-37J. Substitute parts can look different from the original.
$166.49 | 
7% OFF Phone Price : $178.49
In Stock
Cover U131-422P
Cover

Part #U131-422P

Replaced by #U31-446P

?
Manufacturer substitution
This part replaces U131-422P. Substitute parts can look different from the original.
$43.09 | 
12% OFF Phone Price : $49.09
Back Order
Captive Air Tank Bladder U20-9
#1B

Vinyl bag diagram

Captive air tank bladder

Part #U20-9

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

Lock Washer U43-12ZP
#7

Fittings package no. 2788 diagram

Lock washer

Part #U43-12ZP

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

Captive Air Tank Bladder U20-7

#NI

All parts diagram

Captive air tank bladder

Part #U20-7

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

Nut U36-38ZP
#8

Fittings package no. 2788 diagram

Nut

Part #U36-38ZP

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

Elbow U78-770P
#2

Fittings package no. 2788 diagram

Elbow

Part #U78-770P

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.

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Why does my water softener overflow?

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

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Why is my softened water salty?

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

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Why isn't my water softener using salt?

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

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Why does my water softener leak water?

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

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Why is there no display on my water softener?

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

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Why isn't my water softener softening my water?

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

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Why are water softener resin beads in my water?

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

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Why isn't my water softener meter working?

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

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Repair guides for water softeners

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

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How to replace a water softener valve motor

How to replace a water softener valve motor

The valve motor rotates the valve rotor to operate the water softener. If the water softener valve motor fails, follow t…

Read more
Repair difficulty
Time required
 30 minutes or less
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…

Read more
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…

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Repair difficulty
Time required
 30 minutes or less

Articles and videos for water softeners

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

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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