Pass & Seymour HSWF3W Humidity...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$155.49
$118.03

Pass & Seymour HSWF3W Humidity-Sensing Fan Control Switch, White Thermoplastic

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Model: HSWF3W

In Stock (leaves warehouse same day if ordered before 3pm ET)

$155.49
$118.03
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Pass & Seymour HSWF3W Humidity-Sensing Fan Control Switch, White Thermoplastic

The Pass & Seymour HSWF3W Humidity-Sensing Fan Control Switch delivers professional-grade moisture management with patented ultra moisture-sensing adaptive technology. This white thermoplastic control automatically turns fans ON when condensation is present and OFF when dry, featuring adjustable sensor settings to solve moisture problems and manual timer settings from 5-60 minutes for versatile bathroom and ventilation applications. Backed by cULus Listed certification, it is built for professional electrical installations that demand reliable, code-compliant moisture control.

Key Features

  • Patented Ultra Moisture-Sensing Technology: Automatically detects condensation levels for precise humidity control without manual intervention.
  • Adjustable Sensor Settings: Customizable sensitivity allows optimization for specific moisture conditions and room requirements.
  • Manual Timer Control (5-60 Minutes): Provides flexible operation timing to ensure adequate ventilation duration for various applications.
  • Tamper-Proof Settings Cover: Protects configuration settings from unauthorized changes in tenant and multi-user environments.
  • Visual Operation Indicator: Clear indication when the fan is operating provides immediate status confirmation.
  • Manual Fan Override: Instant ventilation control available for immediate moisture or odor management needs.
  • Durable Construction: White thermoplastic housing with a matte finish for a clean, professional appearance.
  • cULus Listed Certification: Meets rigorous safety and performance standards for professional electrical installations.

Certifications & Compliance

  • cULus Listed

Technical Specifications

  • Country Of Origin: China
  • Product Color: White
  • Product Finish: Matte
  • Product Line: Pass & Seymour
  • Product Material: Thermoplastic

Typical Applications

  • Residential Bathroom Ventilation
  • Multi-Unit Housing Properties
  • Commercial Restroom Facilities
  • Professional Office Buildings
  • Hospitality Guest Rooms
  • Healthcare Facility Washrooms

Why Pass & Seymour?

Pass & Seymour delivers reliable moisture control solutions with cULus Listed certification and durable thermoplastic construction. The tamper-proof design and adaptive sensing technology provide professional-grade performance for tenant and family use applications, helping fight mold while ensuring consistent, automatic ventilation management across bathrooms, multi-unit housing, and commercial restroom facilities.

Manufacturer Resources

Product Specs

Product Type:
Specialty Switch
Product Material:
Thermoplastic
Product Color:
White
Product Finish:
Matte
Listing:
cULus
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Switches

Pass & Seymour HSWF3W – Frequently Asked Questions

1) How does the Pass & Seymour HSWF3W humidity-sensing fan switch decide when to run the bath fan?
The HSWF3W uses moisture-sensing adaptive technology: it turns the fan on when condensation is present and shuts it off once the air is dry, with no timer to set for normal use. Sensitivity is adjustable, so you can dial it in for a small powder room or a heavy-use shower bath where steam lingers.
2) Can I run the fan manually with the HSWF3W, or is it automatic only?
Both. There is a manual fan override for immediate ventilation, plus a manual timer you can set from 5 to 60 minutes when you want a fixed run time for odor control rather than waiting on the humidity sensor.
3) Is there a fan control switch suitable for tenant bathrooms where residents keep changing the settings?
The HSWF3W was built for that. It has a tamper-proof settings cover over the sensitivity and timer adjustments, so once the maintenance tech sets it, tenants can operate the fan but cannot alter the configuration. That is why it shows up in multi-unit housing, hotel guest rooms, and commercial restrooms.
4) Is the Pass & Seymour HSWF3W fan control listed for commercial electrical work?
It is cULus Listed, which covers both US and Canadian requirements and is what most commercial and institutional specs call for on a wiring device. That listing is the only certification carried on the HSWF3W.
5) Will the HSWF3W match the other white devices and plates in my bathrooms?
The housing is white thermoplastic with a matte finish, so it sits alongside standard white decorator-style devices and white wall plates. White is the only color the HSWF3W is offered in.
6) Humidity sensor or plain timer switch for a bathroom exhaust fan, which should I use?
A timer switch runs a fixed interval whether or not the room is actually damp, so it either cuts off early or runs long after the moisture is gone. The HSWF3W senses condensation and runs the fan until the air dries, which is what you want where mold is the concern. It still gives you a 5 to 60 minute manual timer for odor-only use, so you are not giving up the timer function by choosing the sensing version.
7) How do I tell if the fan is running when the HSWF3W is controlling it automatically?
There is a visual operation indicator on the switch that shows when the fan is energized. Useful on quiet inline fans where you cannot hear the blower from the room, and it saves a service call when a tenant reports the fan is dead.
8) What is the exact part number and manufacturer for this humidity-sensing fan switch?
Pass & Seymour HSWF3W. That is the full catalog number for the white version, and it is a single-model item with no finish or amperage variants to specify when you order.
How fast can I get the Pass & Seymour HSWF3W delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Pass & Seymour HSWF3W come with a warranty?
Absolutely. The Pass & Seymour HSWF3W is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Pass & Seymour HSWF3W?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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