0856022005147

Model SL728-C

Internet #205511056

SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)

$21.55 /each

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Product Overview

The Holmes-Hally SL728 28-inch Lock End Extension Spring is a spring replacement for one piece garage doors ranging from 90 - 300 pounds (2 springs handle up to 150 pounds, 4 springs up to 300 pounds) as well as for toy hauler doors.

  • 2 x SL728-C springs support 90 lbs. to 150 lbs. garage doors
  • 4 x SL728-C springs support 150 lbs. to 300 lbs. garage doors
  • Length over coils: 28 in.
  • Outside diameter: 1-5/16 in.
  • Wire gauge: (0.177) #7
  • Initial tension: 110-120
  • Maximum allowable stretch: 18.5 in.
  • Manufacturer warranty: 1 year

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Customer Questions & Answers

SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)
SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)

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This question is from SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)
 
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the yellow paint on my springs?

This question is from SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)
Asked by
west hills ca.
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January 11, 2016
what dose it mean,is it relivent??
also there is no c on my model SL728,dose this mater??
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Answer (1)

Asked by
Cincinnati, OH
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Home Improvement Profile: Professional
February 15, 2016
Answer: 
The paint indicates which side of the spring is the top hook (vs. bottom). The SL728 is the correct part number.
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