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Installation - Andrews FASTflo WH42 Installation Manual, Operation And Maintenance Manual

Continuous flow wall hung balanced flue heaters for natural gas and lpg.
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Securing to the wall
• The weight of the device will be applied to the wall. If the strength of the wall is not suffi-
cient, reinforcement must be done to prevent the transfer of vibration.
• Do not drop or apply unnecessary force to the device when installing. Internal parts may
be damaged and may become highly dangerous.
• Install the unit on a vertical wall and ensure that it is level.
1. Drill a single screw hole, making sure to hit a stud.
2. Insert and tighten the screw and hang the unit by
the upper wall mounting bracket.
3. Determine the positions for the remaining four screws
(two for the top bracket and two for the bottom), and
remove the unit.
4. Drill holes for the remaining four screws.
5. Hang the unit again by the first screw, and then
insert and tighten the remaining four screws.
6. Take waterproofing measures so that water does
not enter the building from screws mounting the
• Make sure the unit is installed securely so that it will
not fall or move due to vibrations or earth-quakes.
• When installing with bare hands,
take caution to not inflict injury.
• Be careful not to hit electrical
wiring, gas, or water piping while
drilling holes.
Page 8
Location of Screw Hole
Mounting Bracket
Locating Screw Holes
Tapping Screw
05.9.26, 7:40 PM


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