This is a guide to replacing the PCB on your WEN 3410 3-Speed Remote-Controlled Air Filtration
System. This guide is best used in conjunction with the 3410 manual, included as a physical copy with
your unit and available on the WEN website page for the 3410 (link here), under the Downloads tab.
If at any point you need assistance, have questions, or want to order parts, call WEN customer service
at 1-800-232-1195, M-F, 8-5 Central Time, or email techsupport@wenproducts.com.
Table of contents
• Disassembling the unit………….……………………………………………………………….1
• Choosing the correct PCB……………………………………………………………………….1
• Replacing the PCB…………..…………………………………………………………………..2
Disassembling the unit
You will need:
• A Phillips-head screwdriver
• Cutting pliers (diagonal-cutting or flush-cutting)
• Needle-nose pliers, adjustable pliers, or a ratcheting socket wrench and sockets
You may want:
• A heat gun. We recommend the WEN 2020 1500W Dual-Temperature Heat Gun Kit, available
for purchase online.
Choosing the correct PCB
• Refer to the Parts List and exploded view in the back of your manual for the correct part
number for your PCB and remote control. However, if the manual is not available, or you are
unsure, refer to Table 1 below. Refer to the remote ORIGINALLY included with your unit.
• NOTE: this guide is written with newer 3410 units in mind. Steps may be similar for older
units, but may not necessarily be identical. Call 1-800-232-1195 with questions.
IF YOUR REMOTE LOOKS LIKE THIS… CHOOSE THESE PART NUMBERS
Remote with bumps on the bottom.
• Remote part number: 90243-029
• PCB part number: 90243-046
• Control system: infrared
White remote with black top
• Remote part number: 3410T-AS03
• PCB part number: 3410T-045
• Control system: radio frequency
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