- Sorry, this item is not available in
- Image not available
- To view this video download Flash Player
|Price:||$49.99 & FREE Shipping. Details|
|You Save:||$29.60 (37%)|
Purchased a little over a year ago, the switch recently began getting stuck in the on position. I contacted Tjernlund, which returned my e-mail in less than 24 hours. Read morePublished 1 month ago by Anon
works great with my in-line fan. Turns on the fan when the furnace come off, then turns off the fan when the furnace turns off. Perfect.Published 2 months ago by Serge M.
works good.. when it was installed on the main furnace plenum.. and not in a air duct.. it needs to be mounted vertical.. Read morePublished 2 months ago by allan3367
Switches were easy to install with supplied screws. Wiring instructions are a little vague but not the end of the world. Read morePublished 4 months ago by Troy Garrison
Purchased the switch and was very disappointed with the installation instructions and operation. I had to do quite a bit of research to to figure out how to wire and properly... Read morePublished 4 months ago by KK
Works like a charm. Virtually instantaneously senses duct pressure and activates fan it is wired to. Read morePublished 6 months ago by C. F. White
The device itself is very good and reliable but the documentation and instructions are lacking. A few pictures and sample wiring diagrams with the fan and speed controller would... Read morePublished 10 months ago by Michael P.
I didn't even knew these existed until I was shopping on Amazon for a inline duct fan and this came up in related items. I purchased this and it does exactly what I need it to do. Read morePublished 10 months ago by Amazon Customer