Garage Door Extension Springs Parts

7 doors require a 25 long spring that stretches up to 42 67 total length when the door is closed 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 springs parts.

Two p730 springs one on each side of the door can handle a 90 lbs. Plug end extension spring the holmes hally p730 30 in. Double looped ends are standard on all dura lift extension springs. Door with an initial tension of 110 lbs.

Shop for garage door extension spring parts such as safety cables pulleys pulley forks extension spring clips tandem hookup parts and extension spring hardware kits. All dura lift garage door extension springs are manufactured from oil tempered spring wire meeting astm a229 and are designed for a minimum of 10 000 door open and close cycles. All extension springs sold on our online parts store can accommodate a garage door 7 ft high or less. Most standard residential torsion systems have two torsion springs one on the right and left.

If the spring is in one piece you can find the diameter on the cones p175 1 3 4 and p200 2. Step 2 determine spring wind. The holmes hally p730 30 in. If your garage door is taller than 7 ft please call our helpdesk at 1 800 733 0261 for assistance.

It is recommended to weight the garage door to be accurate as to what extension springs to order. Measure the height of the garage door.