Energy Retention: The automated damper assembly seals the flue during off-cycles to minimize standby energy loss and improve thermal efficiency

Provides infinite flame adjustment for superior combustion efficiency and energy savings

The silver spring (05-05007-00) is rated specifically for the 1-10 and 3-20 PSI ranges

and bi-directional settings—provide maximum versatility for contractors managing duct static pressure

Armstrong Fluid Technology 182212-670 Pump 322056-301 Energy Retention: The automated damperThe Armstrong Fluid Technology 182212 670 Pump is a premier E33. 2B circulator pump engineered for peak performance in large scale residential and light commercial hydronic systems. This high efficiency circulator features a robust lead free bronze body, making it an ideal choice for potable water, radiant heating, and geothermal applications. Operating at 120Vac with a 2 5HP single phase motor, the unit delivers a powerful 3300 RPM to handle a