Model # SL728-C

Internet #205511056

null SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)
0856022005147

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

$21.67 /each

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Product Overview

The E900 HARDWRARE SL728 28 in. Lock-End Extension Spring is a Holmes spring replacement for most one-piece garage doors. 2 x SL728 springs can handle up to a 150 lb. door while 4 x SL728 springs can handle up to 300 lb.s. SL728 springs are also a popular installment for lifting 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

2 Questions2 Answers

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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1 answer

Does the SL728 28 IN. LOCK-END EXTENSION SPRING include a safety cable?

This question is from SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire)
Asked by
Las Vegas, NV
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September 23, 2016
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Answer (1)

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October 25, 2016
Answer: 
No, comes just as shown with both ends being the same. Easy to install. Works well.
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1 answer

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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  • 2016-10-31 T00:19:42.664-05:00
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Customer Reviews

Rated 4.0 out of 5 by 2 reviewers.
Rated 5.0 out of 5.0 by All as promised. Easy to install! Works great! October 25, 2016
Rated 3.0 out of 5.0 by Just garage door springs but to get My garage door was getting harder to lift. I wanted wanted to buy new springs but fould HD only sells them on the web for home or store delivery...no one at local store knew why. Store delivery was quick. No instructions came with springs but found limited instructions online. It appears DYIer's are not encouraged to change springs October 4, 2016
  • 2016-10-30 T22:41:25.054-05:00
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