P528 28 in. Plug-End Extension Spring is a Holmes spring replacement for heavier 1-piece / tilt-up / canopy-style garage doors. Two P528 springs - one on each side of the door - can handle a 105 lbs. to 175 lbs. door, with an initial tension of 165 lbs. to 185 lbs. Four P528 springs - two on each of the door - can handle a 200 lbs. - 350 lbs. door. Either 4 c-hook's or 4 w-hook's (sold separately) are required to connect the springs to the jamb hardware.
Spring Length (in.): 28
Spring Length (in.) | 28 |
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Garage Door Part/Accessory Type | Extension Spring | Material | Steel |
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Pack Size | 1 Pack | Returnable | 90-Day |
Weight Capacity (lbs.) | 175 |
Manufacturer Warranty | E900 Hardware warrants for a period of one year after purchase, this product against defects in material or workmanship and agrees to repair or at our option replace a part or parts taking in service without charge for either parts or labor. |
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Typical questions asked about products:
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