Garage Door Extension Spring Replacement Size

8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions.

Garage door extension spring replacement size.

For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. In most cases the stretch of the extension spring should be half of the door height. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side. The holmes hally p730 30 in.

Knowing the spring s length can help you find the wire size on the chart above. Two p730 springs one on each side of the door can handle a 90 lbs. This is the wire size. Measure 10 coils to the nearest 1 16.

Sometimes this number is written on the winding or stationary cone. Door with an initial tension of 110 lbs. Change the fraction into a decimal and divide by 10. Measure the height of the garage door.

Plug end extension spring the holmes hally p730 30 in. If your garage door is taller than 7 ft please call our helpdesk at 1 800 731 0261 for assistance. For a more accurate measurement start at the 1 mark on your ruler. This means for a 7 foot high door 84 inches the spring stretch would be 42 inches.

Measure the diameter of 1 16 of an inch. How to weight your garage door. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.