Aprilaire 8870 Manual

A SERVICE OF

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FIGURE 3

5. MOUNT BASE TO WALL

There are four screw holes located on the base of the thermostat; two are for a junction box

mounting, along with two for alternate mounting spacing. Use one of the holes on the top

and one on the bottom.

a) Place the base over the wire hole opening in the wall; level the base and mark the screw

hole mounting locations (leveling required for appearance only).

b) If using supplied wall anchors, drill 3/16" hole in the center of the marked locations and

tap in the wall anchors. If using the supplied screws only, drill a 3/32" hole in the center

of the marked locations.

c) Fasten the base to the wall with the supplied screws.

d) Seal wire entry using caulk, drywall putty or insulation.

CAUTION: Minimize wire entry hole size and seal – drafts from

inside the wall could affect temperature readings.

5

Press

base here

Latch