General
Humidifier

Model # 1040-L/LH Official General humidifier

Here are the diagrams and repair parts for Official General 1040-L-LH humidifier, 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 48 parts  |

Rubber Stop 727-32
#32

Functional replacement parts diagram

Rubber stop

Part #727-32

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

Pump 975-45
#18

Functional replacement parts diagram

Pump

Part #975-45

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

Cotter Pin P-118
#30

Functional replacement parts diagram

Cotter pin

Part #P-118

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

Res Gasket 975-28
#35

Functional replacement parts diagram

Res gasket

Part #975-28

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

Humidifier Pad 990-13
#5

Functional replacement parts diagram

Humidifier pad

Part #990-13

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

Float Assembly 975-10
#24

Functional replacement parts diagram

Float assembly

Part #975-10

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

Generalaire Humidifier Water Valve 990-53
#6

Functional replacement parts diagram

Generalaire humidifier water valve

Part #990-53

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

Res 975-48
#33

Functional replacement parts diagram

Res

Part #975-48

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

Valve Sadd 800-UST

#NI

All parts diagram

Valve sadd

Part #800-UST

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

Shield 975-6
#25

Functional replacement parts diagram

Shield

Part #975-6

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

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

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

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

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

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

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

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.

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.…

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.…

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…