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Honeywell
Humidifier

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  |
Duct Nozzle 50028003-001
#3

Humidifier diagram

Duct nozzle

Part #50028003-001

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

Humidifier Water Container 50033181-001
#8

Humidifier diagram

Humidifier water container

Part #50033181-001

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

Humidistat H8908ASPST
#NI

Humidifier diagram

Humidistat

Part #H8908ASPST

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

Storage Tank & Pump 50045947-002
#NI

Humidifier diagram

Storage tank & pump

Part #50045947-002

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

Sensor & Filter 50042822-001
#12

Humidifier diagram

Sensor & filter

Part #50042822-001

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

Pressure Switch 50027910-001
#11

Humidifier diagram

Pressure switch

Part #50027910-001

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

Saddle Valve 32001616-001
#10

Humidifier diagram

Saddle valve

Part #32001616-001

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

Wireless Adapter THM4000R1000
#NI

Humidifier diagram

Wireless adapter

Part #THM4000R1000

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

Ro System W/tank 50045947-001
#NI

Humidifier diagram

Ro system w/tank

Part #50045947-001

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

Remote Nozzles 50028001-001
#4

Humidifier diagram

Remote nozzles

Part #50028001-001

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

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