iO Controls MUA Make-Up Air Damper Kits

The MUA make-up air damper kit comes with an adjustable static pressure sensor that allows the contractor to calibrate when the make-up air damper opens, eliminating excessive unconditioned air in the home. The make-up air damper safely equalizes pressure within the home keeping unwanted and harmful gases from entering the living space due to negative pressure caused by exhaust fans. Includes PO/SC damper, pressure switch, and 20VA transformer. 

Features and Benefits:
• Adjustable sensor which allows for outside air to be introduced when necessary to meet code requirements
• Safely equalizes pressure within the living space
• Adjustable static pressure sensor/switch from .08" - 1.20" WC
• Multiple dampers can be chained together for high volume situations
• Ensures exhaust fan operates at optimal capacity
• Warranty: 5 years on damper, 1 year on controls

model description usually ships price QTY
MUA-06 iO HVAC Controls make-up air damper kit. 6". Comes with 6" damper, 20VA transformer and adjustable static pressure sensor. Sensor range is .08"wc to 1.20" wc. 3-4 Days $221.51
MUA-08 iO HVAC Controls make-up air damper kit. 8". Comes with 8" damper, 20VA transformer and adjustable static pressure sensor. Sensor range is .08"wc to 1.20" wc. 3-4 Days $240.27
MUA-10 iO HVAC Controls make-up air damper kit. 10". Comes with 10" damper, 20VA transformer and adjustable static pressure sensor. Sensor range is .08"wc to 1.20" wc. 3-4 Days $251.95
MUA-12 iO HVAC Controls make-up air damper kit. 12". Comes with 12" damper, 20VA transformer and adjustable static pressure sensor. Sensor range is .08"wc to 1.20" wc. 3-4 Days $271.47
MUA-14 iO HVAC Controls make-up air damper kit. 14". Comes with 14" damper, 20VA transformer and adjustable static pressure sensor. Sensor range is .08"wc to 1.20" wc. 3-4 Days $277.95
MUA-16 iO HVAC Controls make-up air damper kit. 16". Comes with 16" damper, 20VA transformer and adjustable static pressure sensor. Sensor range is .08"wc to 1.20" wc. 3-4 Days $316.68
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iO HVAC Controls Makeup Air Kit

iO HVAC Controls  Makeup Air Kit Specs

Do you have questions about the products on this page?

Click on the ? image on the left or this link to ask us your questions!
#1 Q:   Are there any disadvantages to installing the IO Controls MUA-08 Make-up Air system vs. the units with an in-line EC fan triggered by hood liner fan switch? My current plan is to install an HL36 hood liner, with RVF 8XL exterior EC fan, EC-10VHL, RSK 8 backdraft damper and a CSL-90-8 elbow silencer along with the IO controls MUA-08 directly connected to a register. This seems to be the most cost effective Make up Air / Remote hood exhaust fan system? Assume that no in-line fan is required on the MUA-08 since the negative pressure will pull air in when the damper is opened? Any input / suggestions would be appreciated.Thanks.
A:   The MUA-08 (with no fan) is certainly the most cost effective solution for meeting code requirements. The powered systems are much better at keeping the home at a perfect neutral pressure balance. With no fan your home will be at a slight negative pressure balance. Its a tradeoff. Your fan/hood/silencer setup is well selected.

       Asked on 2023-10-12 by Terry
 

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