Model 4400A Humidifier Installation Manual
1
Prepare Duct
1. Cut a rectangular hole using the manufacturer-supplied
mounting template.
For serviceability, please allow an obstruction-free zone
of at least 4" (101.6mm) on the right side and bottom of
the humidifier.
2
Affix Chassis
1. Install the humidifier chassis, making sure the drain
spout is pointing downward, as shown.
2. Level the chassis and install using the six
mounting screws included.
3
Install the Push-to-Connect Valve
1. Select desired valve location.
2. Remove 0.6in (15mm) of pipe to account for valve width (Fig. A).
Make sure both pipe ends are square, deburred and clean.
3. Mark both pipes at the insertion depth, 0.95" (24mm) (Fig. B).
2
INSTALLATION - SUPPLY (ONLY)
Fig. A
Fig. B
12.13
High