On mine (Chamberlain? Liftmaster?), the "sender" has an amber light; the "receiver" has a green light. The amber light is always on. The green light is on when properly aimed and nothing is breaking the beam. There are a number of other threads and ideas on this subject on this forum. Search...
Sorry I'm so late to this party. I have the same problem. A well-known door opener manufacturer has provided a shady solution. You can buy your own for about $10 plus shipping. I've reverse-engineered it, cut my own out of black cardboard and installed it. My template is attached "Right" and...
Agreed. Based on what I can see, my objection would be to the rear garage door placement. (It's too low.) I would have planned to add fill in the garage and for the garage floor grade to be about 2 steps lower than the house floor grade; adjusting the exterior grading accordingly.
Wow! While pictures are allegedly worth a thousand words, I cannot imagine yours are more helpful than your thorough description above! Thank you, kind sir!
cdecker -- I plan to heat the floor of my slab-on-grade attached garage. There will be three or four loops. Boiler is in the basement next to the garage. My question is, where does your radiant enter the garage in relation to the grade of the slab? Did you go with one (1) 4" pvc conduit? 6"...