Once you know the total weight of your garage door using a bathroom scale for doors under 300 pounds you can use the chart below to see the color extension spring you need.
Garage door extension spring wire size.
Left wind springs are located on the right hand side of the door and right wind springs are located on the left side.
1 75 means the inside diameter is 1 inches.
Color coding is the consistent measure for extension springs a 150lb red spring for a 7 door could have been manufactured in several different sizes if you are not sure what color your old spring was use a bathroom scale to weigh the door while it is unsprung and disconnected from your door opener.
Change the fraction into a decimal and divide by 10.
Measure the diameter of 1 16 of an inch.
Perfect solutions recommends replacing all springs on your door even if only 1 snaps or breaks.
D x 27 in.
Torsion springs turn as you open and close your garage door.
Extension springs do as their name suggests.
Torsion spring inside diameter and overall length in many cases the inside diameter of the torsion spring will be indicated on the stationary cone in between the two springs at the midpoint of the door.
Knowing the spring s length can help you find the wire size on the chart above.
Wire x 2 in.
Plug end extension spring 0 177 in.
This is the wire size.
Sometimes this number is written on the winding or stationary cone.
For a more accurate measurement start at the 1 mark on your ruler.
Springs in general last about 10 14 years or 15 20 thousand cycles.
For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.
L torsion springs in red left and right wound pair for sectional garage doors model dltr227b 199 61 79.
Measure 10 coils to the nearest 1 16.
Extension spring garage door pulley garage door torsion spring garage door spring everbilt garage door extension spring 110 lbs.
2 means the inside diameter is two inches etc.
Best seller dura lift 0 225 in.
Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.
These sturdy garage door torsion springs are made of steel coils with aluminum cones and can withstand any weather making them the best buy for your garage door.
Torsion springs for sectional doors wire diameter inches color wire diameter mm wire diameter inches color wire diameter mm 1200 orange 3 00 mm 1181 2950 white 6 80 mm 2677 1250 light blue 2970 red 7 00 mm 2755 1350 yellow 3 20 mm 1260 3065 brown 7 30 mm 2874.
Garage door extension springs related products p728 28 in.
If you see a 1 75 on the cone the spring has a 13 4 inch diameter.