Make Up Air Damper

The fireplace has a fresh air vent in the hearth.
Make up air damper. Unit shall not be installed to introduce air from crawlspaces, garages, attics, adjacent dwelling units, or other locations within the. Newer energy efficient, “tight” or “green” homes are. To “make up” for lost air, the universal make up air kit brings fresh outside air into the home through a separate fresh air duct.
Eliminate gases, smoke or particulates generated from naturally vented combustion devices like a fireplace or water heater. When it’s easier for your hvac systems to run smoothly, you will be amazed at how quickly your monthly energy bill can be reduced. And that’s the other factor:
They close, along with the main damper, as soon as the range hood is powered off. Included with mua006a, mua008a&mua010a cfm level of range hood motor mua006a Write a review questions & answers.
Installation guides and support articles. Eliminate gases, smoke or particulates generated from naturally vented. The system is a kit consisting of three basic components, the rdsc (normally closed) motorized damper, which opens to.
Such dampers may open and close based on the ambient air pressure with respect to outdoors, or in response to an electrical signal from a controller or The automatic damper opens inside the duct to bring in air when the hood is operating above 400 cfm and closes tightly when the hood is off. Do not locate outside air inlet near hazardous materials or explosives.
Examples of makeup air solutions include: What’s more, best has the tools to help installers specify the proper system. The motor opens the valve when air flow is sensed by a venturi switch mounted to the side of the exhaust duct.