Re: Garage Door Contact - Any alternatives to drilling concrete?

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

SENTROL 2315 - their great. OHD contact that clips on the track, they cost
more, but take half the time to install.



"Beachcomber" <invalid@xxxxxxxxxxxx> wrote in message
news:45a887f7.23303828@xxxxxxxxxxxxxxxxxxx
|
| I would like to wire a contact to my residential garage door to
| indicate when it is open at a remote location and possibly connect to
| an alarm system.   The relay and the wiring I can handle.
|
| What I don't like are the large contacts that need to fastened to
| drilled into the concrete driveway.  This seems to be the most common
| type of contact available.  I know they are sealed but I have issues
| with lots of water and drilling holes in the concrete that may lead to
| damage later on.
|
| Can anyone recommend alternatives?
|
| I'm looking for something simple like a mercury tilt/position switch
| that can be mounted on or near the support rails.  Before I jury rig
| something, I was wondering if anyone has had success with something
| off-the-shelf.
|
| I've tried wireless.   In my setup it doesn't work... the distance is
| too great.  The door would come down and the receiver would get stuck
| with the indicator in the UP position.
|
| Thanks!
|
| Beachcomber
|
|