Therma-Stor 4042265 Duct Kit User Manual

: June 9, 2024
: Therma-Stor

Table of Contents

4042265 Duct Kit
Documents / Resources

Duct Kit
Part No. 4042265
User Manual

4042265 Duct Kit

Parts Included:

Return Duct Plenum
Supply Duct Plenum
Magnetic Filter Door
Packed Fasteners (x4)

Therma Stor 4042265 Duct Kit

Tools Required:

Portable Drill
T25 Torx Driver
5/16″ Hex Driver

CAUTION! Before installing duct kit, disconnect dehumidifier from electrical power and disconnect duct work if previously installed.

Step 1: Remove filter by lifting up and pulling over the lip of the plastic base. Set filter aside.

Therma Stor 4042265 Duct Kit - FIGURE 1

Step 2: Using T25 Torx Driver, unthread #10-24 screws on the Top Panel (x2) halfway and on the Right Panel (x2) fully. Set the two screws from the right panel aside.

Therma Stor 4042265 Duct Kit - FIGURE 2

Step 3: Install return duct plenum on the dehumidifier by slotting half- threaded screws in the keyed grooves (x2). Ensure screws are pushed all the way into the grooves.

Step 4: Using T25 Torx Driver, tighten #10-24 screws on the top panel (x2) and right panel (x2). Ensure screws are securely fastened.

Therma Stor 4042265 Duct Kit - FIGURE 4

Step 5: Locate packed fasteners. Using 5/16” Hex Driver, drill fasteners (x2) through bottom tabs of the return duct plenum into plastic base. Ensure screws are securely fastened.

Therma Stor 4042265 Duct Kit - FIGURE 5

Note: Packed fasteners are self-drilling. No need for pilot holes.
Step 6: Install Filter by sliding into left slot of the return duct plenum. Ensure airflow arrow on side of the filter points towards the dehumidifier. Ensure filter is fully inserted
into the slot.

Step 7: Install magnetic filter door by slotting into the gap between filter and front panel.
Ensure larger tab of filter door is located on top. Ensure seal between filter door, return duct plenum, and front panel.

Therma Stor 4042265 Duct Kit - FIGURE 7

Step 8: Using T25 Torx Driver, unthread #10-24 screws on the top panel (x1), rear panel (x1), and left panel (x2) halfway.

Therma Stor 4042265 Duct Kit - FIGURE 8

Step 9: Install supply duct plenum on the dehumidifier by slotting half- threaded screws in the keyed grooves (x4). Ensure screws are pushed all the way into the grooves.

Therma Stor 4042265 Duct Kit - FIGURE 9

Step 10: Using T25 Torx Driver, tighten #10-24 screws on the top panel (x1), rear panel (x1), and left panel (x2). Ensure screws are securely fastened.

Therma Stor 4042265 Duct Kit - FIGURE 10

Step 11: Locate packed fasteners. Using 5/16” Hex Driver, drill Fasteners (x2) through bottom holes of the supply duct plenum into plastic base.
Ensure screws are securely fastened.

Therma Stor 4042265 Duct Kit - FIGURE 11

Note: Packed fasteners are self-drilling. No need for pilot holes.

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TS-1184 10/22 Rev A