Description: These two types of commercial modulating Duct Boosters are for multi-dryer venting through a single duct. Both boosters can be paired with Tjernlund COP-Series Controllers to automatically adjust booster fan speed to match the exhaust volume required by the number of dryers operating. The CDB8 Booster is indoor-mounted and handles up to four laundromat-capacity dryers (up to 1,000 cfm). It features a temp-activated motor cooling fan and material-handling blower wheel. The RT 750 and RT1500 Boosters are designed to be rooftop-mounted and service up to six laundromat capacity dryers (up to 750 or 1,500 cfm).

Contact: 800-255-4208; www.tjernlund.com;

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