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Patterson Pumps Company

www.pattersonpumps.com

  • Complete line of HVAC process pumps 
  • Packaged domestic water booster systems
  • Extensive offering of hydronic accessories
Pottoroff

http://www.pottorff.com/

  • Air Control and Backdraft Dampers
  • Ceiling Radiation Dampers
  • UL Rated Fire, Fire-Smoke, and Smoke Dampers
  • Louvers and Penthouses
  • Duct Silencers, Panels and Enclosures
  • Actuators and Accessories
Powered Aire, Inc.

www.poweredaire.com

  • Industrial Air Curtains
  • Commercial Air Curtains
Proco

www.procoproducts.com

  • Flexible pipe connectors
  • Flexible expansion joints
  • Pipe penetration seals