Model 425 Shown Installed in Existing Wall Note the additional drywall work needed As an option to installing the retro-fit box, this may prove to be an easier install in some cases.  Using the new construction box gives you option of the 4 1/4" or 3.5" deep versions, provides additional work area because of the bigger hole, and allows for easier installation of the pipe into the port.  Down-side is the extra drywall work. In-O-Vate Technologies Inc., 810 Saturn Street, Suite 21, Jupiter, FL  33477 Phone Numbers: (561) 743-8696 / (888) 443-7937 (Toll Free) Fax Numbers: (561) 745-9723 / 800) 308-9345 (Toll Free) [ Home ]  [ Specs ]  [ Purchase ]