Haven Repellent System FAQs

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Yes, each light with mosquito repellent fixture and each repellent fixture includes one 24 ml Haven Repellent Cartridge and adapter cap.

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Each Light & Repellent Fixture or Mosquito Repellent Fixture provides 110 square feet of mosquito protection coverage.

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The active ingredient in the NuTone Haven Backyard Lighting & Mosquito Repellent System is Metofluthrin. Metofluthrin and NuTone Haven are both registered products with the United States Environmental Protection Agency (US EPA). Metofluthrin is an effective mosquito repellent that has undergone extensive toxicology testing and evaluation and it has been accepted for consumer use by the US EPA.

• Metofluthrin has been used in mosquito repellent products in the United States since 2009, including products such as OFF!® Clip-On™ Mosquito Repellent and OFF!® Mosquito Lamp®.*
• Metofluthrin has also been used as a residential insect control ingredient for a decade, and today it is used on six continents. It is a registered pesticide in many countries including Canada, Australia, Japan, Korea, Mexico, and Brazil, and in the U.S. it is registered for residential applications for both indoor and outdoor use.
• Metofluthrin is manufactured by Sumitomo Chemical Company Limited, one of the world’s largest chemical manufacturers. Metofluthrin is distributed in the US by MGK. Founded in 1902, MGK sells insect control products into the consumer and professional pest control markets. MGK holds over 350 product registrations with the U.S. EPA for insect control products and sells its products in dozens of countries.

The NuTone Haven product label and directions for use include all of the EPA-required information regarding cautionary statements and warnings.

* (OFF!®, OFF!® Clip-On™, and OFF!® Mosquito Lamp®, are registered trademarks of SC Johnson and Son, Inc.)

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Caution: Harmful if swallowed. Wash hands thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet.

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You may use the Haven Dual Timer/Controller which enables both Lighting and Repellent systems to be controlled separately, either manually or automatically by time of day or by solar sensor. The Haven Dual Timer/Controller does not distinguish between weekdays and weekends however. Also, some transformers have clocks built in to control devices that are connected to them. There are also accessory clocks available that can be used to operate a transformer.

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The total power supply wattage must be greater than the combined load of all fixtures on the system.

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No, Haven light fixtures have integrated LEDs with a life expectancy of 30,000 hours, or about 10 years if used 8 hours per day. They provide 40 lumens at a color temperature of 2900 Kelvin.

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15 Minutes

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Each Haven fixture has a small, green LED power indicator to let you know when the repellent system is operating. On the light fixture, it is located on the side of the base, between the access screw and hinge. On the repellent-only fixture, it is located on the top of the fixture. It is illuminated when the repellent system is on. When the repellent system has been operated for about 195 cumulative hours, the LED will begin to flash to indicate that the repellent cartridge may be near the end of its intended 216 hour life.

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There are two ways to tell if the repellent cartridge needs to be changed. First, if you notice an increase in mosquito activity, likely it’s time to change the repellent cartridge. Another way to tell if the repellent cartridge is running low is when the green LED indicator begins to flash. Before replacement, disconnect power to the device. If vaporizer has been operating, allow at least 1 hour to cool down before handling. Replace NuTone Haven Repellent Cartridge for each fixture after 216 hours of use. Once the cartridge has been replaced, reset timer to begin another 195 hour countdown. To reset the timer, simply press the small round button on the top of the fixture until you hear a click. The timer has been reset, and the LED will illuminate solid green at next use.

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Each 24 ml Cartridge will use about 1 ml per 10 hours or 240 hours theoretically “until dry”. The EPA allowed 90% of the 24 ml of repellent to be claimed as “effective” believing the last 10% would be less effective due to reduced wick exposure. Hence, 90% x 240 hours = 216 hours of claimed repellent effectiveness. Actual repellent usage may vary based on temperature and humidity. Please follow the EPA accepted Directions for Use to replace the cartridge and dispose of the old cartridge according to directions. “If empty or at end of the season, dispose of unused portion according to label directions: Place in trash. If partly filled: Call local solid waste agency for disposal instruction. Never place unused product down any indoor or outdoor drain.”

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The repellent will last for at least 3 years, when stored at room temperature.

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The battery is rechargeable, and will maintain the clock and settings for 12-14 days without power.

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Each circuit of the Dual Timer/Controller can support a load of up to 36 watts or up to 4 NuTone Haven fixtures. To enjoy the benefits of controlling the lighting and repellent functions separately with the two circuits, only 4 Backyard Light & Mosquito Repellent fixtures can be connected to the Dual Timer/Controller: 4 light cables connected to the lighting circuit, and 4 repellent cables connected to the repellent circuit.