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Decora In-Wall Humidity Sensor and Fan Control Switch, 1/4 HP, Residential Grade, Single Pole, White, DHS05-1LW

Decora In-Wall Humidity Sensor and Fan Control Switch, 1/4 HP, Residential Grade, Single Pole, White, DHS05-1LW

Q: If I install the Decora Humidity Sensor and Fan Control, can I manually control my exhaust fan?

Yes, press the fan icon on the face of the device to manually activate the fan. The time that the fan will stay ON is pre-set to a default of 20 minutes, but can be adjusted to 10, 20, 30 or 45 minutes.

Q: What does the Air Cycle mode do?

Air Cycle mode automatically turns ON a ventilation fan for a set period and repeats the cycle hourly (Ex: 20 minutes ON/40 minutes OFF each hour). Ideal in areas like basements or home spas which require periodic ventilation on a continuous basis.

Q: What does the Humidistat mode do?

This mode turns ON a ventilation fan periodically while the relative humidity (RH) level is above the humidistat setting and repeats hourly until the level falls below the setting. Ideal in areas requiring periodic ventilation on a continuous basis.

Q: Can the Leviton Humidity Sensor and Fan Control operate a fan with a light load?

Yes, if the light and fan are on the same “hot” switched leg. It is not recommended in applications where the fan/light combination is the sole light source in the room.

Q: Can the Decora Humidity Sensor and Fan Control be used in applications other than a bathroom?

The device is designed to control bathroom exhaust fans up to ¼ HP. Other applications may include ventilation fans in basements, laundry rooms or home spas.

Product ID: 542321161

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Details

Operation mode
ON-OFF-ON
Current rating
2 Amps
Operating voltage
400 Volts
Contact type
Normally Open
Connector type
Crimp
Brand
Leviton

🔄Line/load wires interchangeable

⚙️1/4 HP motor power

🛠️Tool-free setting adjustments

Description

💨 Breathe smarter, live fresher—upgrade your air game effortlessly!

FLEXIBLE WIRING - Line and load wires are interchangeable, making installation hassle-free and adaptable to your setup.
SMART HUMIDITY CONTROL - Automatically activates your fan for optimal air quality—never worry about dampness again.
EFFORTLESS INSTALLATION - Slim profile fits most wallboxes and works with or without a neutral wire—upgrade your space in minutes.
TOOL FREE CUSTOMIZATION - Adjust humidity settings without removing faceplate or using tools—control at your fingertips.
CODE COMPLIANT RELIABLE - Meets 2019/2022 California Title 24 and ASHRAE 62.2 standards—future-proof your home’s ventilation.

The Decora In-Wall Humidity Sensor and Fan Control Switch (DHS05-1LW) is a residential-grade, single-pole switch designed to automatically manage ventilation fans based on humidity levels. Supporting up to 1/4 HP motors and multiple lighting loads, it features a slim design for easy installation with or without a neutral wire. Its tool-free adjustable settings and compliance with California Title 24 and ASHRAE 62.2 standards make it a smart, code-compliant solution for bathrooms, basements, and laundry rooms.

Specifications

Manufacturer	Leviton
Part number	DHS05-1LW
Item Weight	109 g
Product Dimensions	10.49 x 4.39 x 3.51 cm; 109 g
Item model number	DHS05-1LW
Colour	White
Item Package Quantity	1
Switch Type	1-way
Included components	One Leviton Humidity Sensor Switch and Fan Control DHS05-1LW, Single Pole, White
Batteries included?	No
Batteries Required?	No

Have a Question? See What Others Asked

If I install the Decora Humidity Sensor and Fan Control, can I manually control my exhaust fan?

What does the Air Cycle mode do?

What does the Humidistat mode do?

Can the Leviton Humidity Sensor and Fan Control operate a fan with a light load?

Can the Decora Humidity Sensor and Fan Control be used in applications other than a bathroom?

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