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)

$2301 /each

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.
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Frequently Bought Together

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

Product Overview

Model #: SL728-C
Internet #: 205511056

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

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
1.313
Product Height (in.)
28
Product Width (in.)
1.313

Details

Garage Door Part/Accessory Type
Extension Spring
Product Weight (lb.)
4.6lb
Returnable
90-Day

Warranty / Certifications

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.

Specifications

Dimensions

Product Depth (in.)
1.313
Product Height (in.)
28
Product Width (in.)
1.313

Details

Garage Door Part/Accessory Type
Extension Spring
Product Weight (lb.)
4.6lb
Returnable
90-Day

Warranty / Certifications

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.

Questions & Answers

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

Asked by: rm61
It doesn't have or need a safety cable. It has interlocking safety links inside the spring that prevent a broken spring from coming loose or becoming a projectile.
Answered by: GarageGuy
Date published: 2017-03-22

My old broken Holmes garage door spring was designated "SL728C". Is the "C" important because yo...

My old broken Holmes garage door spring was designated "SL728C". Is the "C" important because you only offer only the "SL728" without a "C".
Asked by: Springcaput
yes I had all my 5 garage doors installed with SL728C about 15 years ago ,every once a while a spring will break and I would go to a local Homedepot and buy it there,but now they don't keep them in stock at the store so I had to order online.
Answered by: aly58
Date published: 2017-04-25

the yellow paint on my springs?

what dose it mean,is it relivent?? also there is no c on my model SL728,dose this mater??
Asked by: fred
The paint indicates which side of the spring is the top hook (vs. bottom). The SL728 is the correct part number.
Answered by: HolmesHally
Date published: 2017-03-30
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Customer Reviews

SL728 28 in. Lock-End Extension Spring (0.177 in. No. 7 Wire) is rated 4.7 out of 5 by 31.
Rated 2 out of 5 by from Ordered SL728C but received SL728 and was told that it is the same. SL728 is much stiffer and hol... Ordered SL728C but received SL728 and was told that it is the same. SL728 is much stiffer and holds the door up and very stiff coming down.
Date published: 2017-07-05
Rated 5 out of 5 by from Snug fit. 2 on each side of garage door.... Snug fit. 2 on each side of garage door. Excellant liftt once installed. Pretty swift shipment.
Date published: 2017-09-26
Rated 5 out of 5 by from A little shorter that one removed. Had to adjust chain... A little shorter that one removed. Had to adjust chain links to make work just fine.
Date published: 2017-07-12
Rated 5 out of 5 by from Easy It's what I was looking for and it works great Its easy
Date published: 2017-06-20
Rated 4 out of 5 by from High quality, delivered and functions as presented. High quality, delivered and functions as presented.
Date published: 2017-05-30
Rated 4 out of 5 by from the product was very good an di got it in... the product was very good an di got it in one week.
Date published: 2017-07-13
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-08-30
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-11-08
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