Model # HM509 Official Honeywell humidifier

Here are the diagrams and repair parts for Official Honeywell HM509 humidifier, as well as links to manuals and error code tables, if available.

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Installation guide

Owner’s manual

Model diagram and schematic

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ALL PARTS

Showing 10 of 29 parts |

Humidifier diagram

Duct nozzle

Part #50028003-001

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

Humidifier diagram

Humidifier water container

Part #50033181-001

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

#NI

Humidifier diagram

Humidistat

Part #H8908ASPST

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

#NI

Humidifier diagram

Visionpro iaq

Part #YTH9421C1010

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

#NI

Humidifier diagram

Adapter kit

Part #32005530-001

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

Humidifier diagram

Cover

Part #50028004-001

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

#12

Humidifier diagram

Sensor & filter

Part #50042822-001

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

#1A

Humidifier diagram

Mounting kit/20'hose

Part #50024917-002

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

#NI

Humidifier diagram

Ro system w/tank

Part #50045947-001

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

#NI

Humidifier diagram

Ro system

Part #50045947-003

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty

Time required

30 minutes or less

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty

Time required

15 minutes or less

How to replace a defrost sensor in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost sensor could be at fault. You can …

Repair difficulty

Time required

45 minutes or less

Articles and videos for side-by-side refrigerators

How to Replace the Water Filter in an RCA Refrigerator

Model # HM509 Official Honeywell humidifier

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a refrigerator water valve

How to replace a defrost sensor in a side-by-side refrigerator

Articles and videos for side-by-side refrigerators

How to Replace the Water Filter in an RCA Refrigerator

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

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