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Home > Controls & Timers > Panasonic Humidity & Temperature Sensor

Panasonic FV-WCCS1-W Bathroom Fan Sensor Switch

Panasonic Humidity & Temperature Sensor
Panasonic Humidity & Temperature Sensor  Panasonic Humidity & Temperature Sensor  Panasonic Humidity & Temperature Sensor  Panasonic Humidity & Temperature Sensor
Item #FV-WCCS1-W
AvailabilityUsually ships the same business day
Sale Price$49.99


Panasonic Humidity & Temperature Sensor - WhisperControl Condensation Sensor Plus

Use this humidity sensor switch to automatically control your Panasonic Bathroom Fan.  The WhisperControl Sensor automatically turns on your bathroom exhaust fan to control the humidity in your bathroom. The advanced humidity sensor detects relative humidity and temperature for great accuracy.  The fan automatically turns off when the optimum dryness level is met.

There is a moisture sensitivity selector which allows you to adjust for sensitivity based on your needs.  This sensor is not affected by daily or seasonal changes in your room's climate, so you can set it once and forget it.  The sensor tracks temperature and humidity over several weeks to determine the level of dryness your room needs to return to.

This model has an adjustable minutes per hour fan timer.  You set this fan timer to have the fan come on for a set amount of time every hour (0-60 minutes.) which complies with ASHRAE 62.2  This fan timer provides constant and controlled ventilation every hour.

This control also has a manual on/off control.  You push the switch for manual fan operation and if you have turned your fan off before the room has been adequately cleared of moisture, the Condensation Sensor Plus overrides the operation to ensure your exhaust fan removes the moist air.

The delay timer allows the fan to initiate a 20 minute countdown cycle when you manually turn on the fan.  During automatic fan operation, a 30 minute countdown timer initiates after moisture returns to normal levels.

You never need to worry about leaving your bathroom fan on long enough again. No more foggy mirror when you get out of the shower and no longer will your fan be running longer than necessary.  This humidity sensor is more accurate than other humidity sensors on the market.

  • Intelligent and advanced sensor technology monitors humidity and temperature to anticipate dew point, automatically operating the fan to control moisture
  • Automatic seasonal adaptability with optional Moisture Sensitivity Selector that allows fine tuning for dry or moist environments
  • Adjustable Minutes Per Hour (MPH) Fan Timer ensures consistent and controlled ventilation throughout the day for compliance with ASHRAE 62.2
  • Includes manual on/off fan control
  • 20 minute delay off timer initiates once fan is manually turned on
  • Wall plate included
  • Blue LED light indicates when fan is on
  • Compatible with all single speed bathroom fan models


  • Ground: Grounding
  • Feature: Blue LED
  • Amperage: 15 amp
  • Maximum Fan Load: 8 Amp
  • Voltage: 120 Volts
  • Dry Contact Switching: 24 Volt AC Input/Output
  • Termination: 6" Leads
  • Connections (Copper Wire Connections): Use #14 or #12
  • UL/CSA Listed
  • Warranty: 2 year
  • Can be used to comply with ASHRAE 62.2, LEED, Energy Star 3.0 and CALGreen


Watch a Video about the Condensation Sensor Plus

Example of controlling a fan with this switch:

Using an 80 CFM fan and setting the MPH fan timer to run 30 minutes per hour will instantly make it equivalent to a 40 CFM fan running 24/7.



Download the FV-WCCS1-W Submittal Sheet

Question: Will this control any brand or only Panasonic brand fans?
Answer: You can use this humidity sensor with any brand ventilation fan.
Question: Can this switch be used in multi-gang boxes?
Answer: Yes.
Question: Can two FV-WCCS1-W switches in two separate bathrooms be wired in parallel to one inline fan?
Answer: Yes.
Question: Can this be used the fan that also has a light ?
Answer: No.
Question: Can the timer on how long the fan goes on for be changed?
Answer: Yes.
Panasonic Humidity & Temperature Sensor
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