Serving the HVAC industry since 1992
Call: (800) 435-2526Email SearchMenu
The Alfasmart modulating system opens 25% per 1 ºF of temperature change for 5 positions. The Alfasmart modulation system working with a Galvanized Damper System and wired thermostat.
Unit of Measure


Damper Material

N/A Plastic

Number of Positions

N/A 5


N/A Galvanized

Damper Positions

Damper Positions

  • Temperature Match/0% - Fully Closed
  • 1 ºF Temperature Change/25% Open/75% Closed
  • 2 ºF Temperature Change/50% Open/50% Closed
  • 3 ºF Temperature Change/75% Open/25% Closed
  • 4 ºF (+) Temperature Change/100% - Fully Opened