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Qmark 30DDWS Whole House Ventilator
Deep Venturi for Quiet Operation and Maximum Performance

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Qmark 30DDWS Whole House Exhaust Fan Ventilator
Qmark 30DDWS Whole House Ventilator
  • 6900 CFM - 625 RPM - 5.5 Amps
  • Comes equipped with shutter. 30" x 35 7/8"
  • Easy installation over 16" O.C. (some framing required for 24" O.C.); No joist cutting required.
  • Requires 28" x 33 3/4" opening and 30" x 36" clear ceiling space
  • 2-speed direct drive motor with pull chain control
  • Three-petal blade for maximum airflow; cools or ventilates a large home
  • Thermal overload protection for maximum safety
  • Direct drive for consistent, low maintenance operation
  • Deep venturi for quiet operation and maximum performance
Qmark 30DDWS Whole House Exhaust Fan Installation Manual {365kb}
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Qmark Whole House Fan - Model 30DDWS $325.75
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  Just Some of our Winter Products - Click Images for more info:
High Efficiency Gas Boilers. Embassy ONEX Gas Boiler, Triangle Tube Gas Fired Boiler, Heat Flo Indirect Storage Tanks! Hydronic Heating - Pumps, Controls, Valves and more. Taco Pumps, Taco Zone Valves, Honeywell Controls, Watts, Azel, Taco Mixing Valves, Cash Acme, Caleffi and more. Gas Space Heaters. Rinnai Space Heaters, Monitor Gas Heater, Eskabe Heaters, Robur Heaters, Empire Gas Heaters PEX Tubing - PEX Radiant Heat! PEX Underfloor heating. Efficient and Warm. PEX tube in 3/8 to 1 inch sizes. Bosch Gas Tankless Water Heaters! Bosch Instant Hot Water Heater for single and multi use. Bosch Water Heaters! Electric Boilers for Hydronic Heating Systems, Radiant PEX Tubing Systems or any hydronic appication where electric rates are inexpensive Solar Heating - Solar Pumps, Solar Controls and more! Solar Panels for use on domestic hot water or pex radiant heating systems. Fantech Heat Recovery Ventilators. HEPA Whole House Filters. HEPA Fitlers. Energy Recovery Fans.
Gas Boilers Heating Supplies Gas Space Heaters PEX Tubing Tankless Water Heaters Electric Boilers Solar Heating Heat Recovery Ventilators
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