Apparently? I'm not an HVAC guy, just poking away at understanding my current system and thinking about what I might change. As an example, this damper has an

Apparently? I'm not an HVAC guy, just poking away at understanding my current system and thinking about what I might change. As an example, this damper has an adjustable bleed rate, with a 2 wire input for switching the state: https://www.resideo.com/us/en/pro/products/air/forced-air-zoning/zone-dampers/6-in-automatic-round-damper-ard6tz-u/#resources https://www.resideo.com/us/en/pro/products/air/forced-air-zo... (Click the "Install" tab to access installation guides)