10 3/4”
4”
UV
Lamp
1. Cut out area of template indicated by the two circles if using a hole saw.
2. Place template on the return path of the HVAC system and trace the hole pattern for the unit
and mark centers for mounting screws. Unit must be oriented so long dimension is parallel
to the direction of the air flow parallel to the direction of the air flow.
3. Cut opening for the unit.
4. Install unit into air duct so that airflow matches direction indicated on side of unit using
the four self tapping sheet metal screws provided.
INSTALLATION TEMPLATE MUV-403H
Use a 2” hole saw to cut 2 openings indicated by the gray circles.
