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RESOLVED - Liftmaster 889LMW wall control panels: totally erratic motion control for light
I have 3 8500W and 880LMW systems not Wifi connected (no myQ) that were local dealer installed three years ago. Last Saturday when I was gone a door just opened. Alarm company called and as requested a neighbor closed it with the outside keypad. Awhile later the same door opened again and...- johngammel
- Post #16
- Forum: General Garage Discussion
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J
Do I need bigger supply and return lines
They are the insulated type. I haven't opened one up but I guess about 2" all the way around. The 12" that is sold locally is R6. I've reviewed the current ducting and it all appears to be adequate - no obvious rips or disconnects. This winter I'm going to put it on my schedule to do a more...- johngammel
- Post #9
- Forum: Heating and A/C
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J
Do I need bigger supply and return lines
Here in Florida they use flex duct everywhere including new construction. You can't buy larger diameter sheet metal at the big box stores and the supply houses won't sell to someone not in the trades. So I'm stuck with using flex duct the largest of which I can buy at the big box store is 12".- johngammel
- Post #7
- Forum: Heating and A/C
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J
Do I need bigger supply and return lines
The Trane is located on the east side of the garage which puts it in the shade later in the day and the entire evening. The garage has all interior sheet rock and lots of insulation in the ceiling. I live in Englewood which is SW FL so it's hot now every day. Usually high 80s by 10:00 AM. To...- johngammel
- Post #5
- Forum: Heating and A/C
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J
Do I need bigger supply and return lines
garage info: 1,000 sq. ft. block/stucco with 9 1/2' ceilings Trane XR12 2TTR2030A R22 2.5 ton (30,000 BTU) A/C external unit attic mounted air handler 3 supply lines using 8" I.D. flexible ducting to 7" x 11" ceiling mounted registers (3 x 50 = 150 sq. in.) 1 return line using 14" I.D. (likely)...- johngammel
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- Replies: 9
- Forum: Heating and A/C