Where do you install the Aprilaire model 800 steam humidifier?

Consumer question:

What are the installation requirements? Can the unit be placed above the ductwork? Do you have an installation manual online

Aprilaires’ response:

Thank you for contacting us.  The Model 800 does not need to be attached to the duct work when mounting the unit.  The only part of the unit that would need to be attached is the steam dispersion tube.  Also, this unit may be wired to 120, 208 or 240 voltage based on your home’s needs.  We highly recommend hiring a licensed professional heating and cooling contractor to install the Model 800 to avoid injury to yourself or your HVAC system.
 
The location of the steam dispersion tube depends on how much space you’ll need for the absorption distance based on your air velocity flow rate.  Typically this tube will be installed on the supply duct, however it may also be installed on the return.
 
Unfortunately we do not have installation instructions on line.  I have attached a copy of the manual for you to review with your contractor.  Located on page 5 is the distance and mounting chart for the dispersion tube.  We would recommend discussing your options for mounting with your heating and cooling contractor.
 

What are the installation requirements? Can the unit be placed above the ductwork? Do you have an installation manual online

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