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.

Door with an initial tension of 110 lbs. Plug end extension spring the holmes hally p730 30 in. If your garage door is taller than 7 ft please call our helpdesk at 1 800 733 0261 for assistance. Two p730 springs one on each side of the door can handle a 90 lbs.

Step 2 determine spring wind. 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. Double looped ends are standard on all dura lift extension springs. If the spring is in one piece you can find the diameter on the cones p175 1 3 4 and p200 2.

Measure the height of the garage door. It is recommended to weight the garage door to be accurate as to what extension springs to order. Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. All extension springs sold on our online parts store can accommodate a garage door 7 ft high or less.

Select spring weight capacity dura lift extension spring 90 lb door weight light blue. Most standard residential torsion systems have two torsion springs one on the right and left.