A venturi valve is installed inline within supply ductwork sized per floor plans, positioned in the interstitial space between the ceiling below and the floor above. The duct transitions to neck size unless noted otherwise. One-quarter-inch aluminum tubing connects to a differential pressure gauge with a range of zero to five inches of water gauge. Installation follows the manufacturer instruction guide.
VENTURI VALVE FLOOR ABOVE CEILING SEE FLOOR PLANS FOR SUPPLY DUCT SIZE SEE FLOOR PLANS FOR SUPPLY DUCT SIZE DUCT TO BE NECK SIZE UNLESS NOTED OTHERWISE 1/4" ALUMIMUM TUBING DIFFERENTIAL PRESSURE GAUGE 0-5 IN W.G. NOTE: FOLLOW THE MANUFACTURER INSTALLATION INSTRUCTIONS GUIDE
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