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Laundry
Help Ensure Safety in Laundry Rooms
Lint ignition in residential clothes dryers is the leading cause of the nearly 16,000 annual washer/dryer fires in the U.S. each year, according to the National Fire Protection Association.
Even if the dryer screens are cleaned after each use, flammable lint can make its way out of the appliance and into the ductwork, where it builds up. Regular maintenance is one component of prevention.
The UL-listed DEDPV-705 Dryer Exhaust Duct Power Ventilator provides peace of mind along with even greater flexibility than previous models.
DEDPV Makes Residential Clothes Dryers Run More Efficiently
The DEDPV helps residential clothes dryers run more efficiently by assisting them in overcoming pressure losses caused by long or restricting exhaust duct designs and the effects of high altitudes.
The longer duct runs the longer the drying time. The higher the exhaust rate the shorter the drying time.
The product complies with the UL standard related to dryer exhaust (UL 705) and is suitable for gas and electric clothes dryers.
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DBLT 4W
Clothes dryer lint is combustible. Given the right conditions, it can self-ignite. The secondary lint trap DBLT 4W installed on the exhaust duct helps reduce the risk of fire.
DEDPV-705
The dryer exhaust duct power ventilator helps the dryer run more efficiently by overcoming pressure losses caused by long or restricted exhaust duct designs and/or from the effects of high altitude.
Highlights
Certified by UL to the DEDPV requirements of UL705
UL-Listed for use with Gas and Electric clothes dryers
Suitable for duct runs up to 125 linear feet
Suitable for high altitude applications
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Ideal Project Profile
multi-family buildings
single-family homes with laundries located centrally
gymnasiums equipped with residential dryers
Regulations and Calculations
Important to know
What Does the International Residential Code (IRC) Say?
Section M1502, Clothes Dryer Exhaust in the 2018 International Residential Code (IRC) states:
The maximum allowable exhaust duct length shall be 35 ft from the connection to the transition duct from the dryer to the outlet terminal.
Where fittings are used, the maximum length of the exhaust duct shall be reduced.
Otherwise, a domestic dryer exhaust duct power ventilator shall be installed. It shall conform to UL705 for use in residential dryer exhaust systems.
Domestic booster fans shall not be installed in dryer exhaust systems (M1502.4.5)
How to Calculate Equivalent Duct Length?
Leq (ft) = Lactual + 5 ft (number of 90o elbow) + 2-1/2 ft (number of 45o elbow)
Once you have the actual length, you need to count every place the duct changes direction.
For every 90o 4" dia. elbow, add 5 feet
For every 45o 4" dia. elbow, add 2 1/2 feet
For example, your ductwork has an actual length of 25 feet, two 90o turns, and two 45o turns.
Leq (ft) = 25 + 5 ft 2 + 2-1/2 ft 2 = 40 linear feet
In this case, the dryer needs a dryer exhaust duct power ventilator (DEDPV).
Discovery Questions
Good to know
Is the product suitable for vented gas clothes dryers?
Yes, it is. DEDPV-705 & DPV22-2 are listed for use with vented gas dryers.
I used Fantech duct boosters on all my projects in the past. What's wrong with that?
Duct boosters are not compliant with IRC, section M1502.4.5 which says, "domestic booster fans shall not be installed in dryer exhaust systems."
Dryer manufacturers state that booster fans can not be used. Is that true?
Some dryer manufacturers state that dryer booster fans should not be used with their dryers. They echo the IRC. DEDPVs can be used though.
Learn from Our Pro
Video: Pitch IQ
Mastering your pitch on DEDPV will make you feel confident when delivering it to prospects.
Check out some tips from DEDPV guru, our own Mark Wald to find out every detail about this product and find what works best for you.
Supporting Assets
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Case Study
There could be a serious fire hazard behind the home's walls. An unfortunate individual found this to be true, and he tells his story.
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Brochure
Flip through the pages of this brochure to learn more about products that we offer to help you address long dryer exhaust duct runs.
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Video
Learn what 7 features make DEDPV a second-to-none solution for dryer exhaust in the market. Switch to the Real Deal in 60 seconds.
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Presentation
How Do Specify the DEDPV-705 in Multi-Family Residential Projects
Specifying Made Easy
See Successful Dryer Exhaust Projects
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New American Home – Las Vegas, NV
Well-appointed laundry facilities within a luxury home do not always ensure the short duct lengths recommended for dryer venting. A Dryer Exhaust Duct Power Ventilator (DEDPV) is a feature within TNAH that ensures the safety and effectiveness of the duct run while minimizing the risk of fire due to lint buildup for the homeowners.
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The Duke – Vancouver, BC
The unit mix comprises 25% two-bedroom family units with one-bedroom and studio units making up the balance. With so many units, it is imperative to the safety and longevity of the building to use laundry exhaust products. The engineers went with the DPV22-2 duct power ventilator for each unit's laundry room.
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Vida at Daybreak – Jordan UT
The Vida multi-family apartment building utilizes 1-, 2-, and 3-bedroom floor plans.
Dryer safety was important to the owners of Vida, as they included top-notch duct exhaust dryer power ventilators (DEDPV) for each floor plan.
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