Model # P728-C

Internet #205510970

null P728 28 in. Plug-End Extension Spring (0.177 in. No. 7 Wire)
0856022005093

P728 28 in. Plug-End Extension Spring (0.177 in. No. 7 Wire)

$2021 /each

Product Overview

P728 28 in. Plug-End Extension Spring is a Holmes spring replacement for heavier one-piece garage doors as well as for toy haulers using lift springs. We recommend replacing all springs at the same time for balanced door lift and even wear. A c-hook is required for a single spring installation while a w-hook is required for a double spring installation - available separately.
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Frequently Bought Together

Product Overview

P728 28 in. Plug-End Extension Spring is a Holmes spring replacement for heavier one-piece garage doors as well as for toy haulers using lift springs. We recommend replacing all springs at the same time for balanced door lift and even wear. A c-hook is required for a single spring installation while a w-hook is required for a double spring installation - available separately.
  • 2 x P728-C springs support 90 lbs. to 150 lbs. garage doors
  • 4 x P728-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

P728 28 in. Plug-End Extension Spring is a Holmes spring replacement for heavier one-piece garage doors as well as for toy haulers using lift springs. We recommend replacing all springs at the same time for balanced door lift and even wear. A c-hook is required for a single spring installation while a w-hook is required for a double spring installation - available separately.

  • 2 x P728-C springs support 90 lbs. to 150 lbs. garage doors
  • 4 x P728-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.)
4.9lb
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.)
4.9lb
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.

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Questions & Answers

My garage door is old and there is only one spring on each side of the two car garage.

The one who installed the garage door opener said I need to change the spring because it is different in size, one is 28-1/2 inches and the other is 30-1/2 inches long. It is only one spring per side. I want to buy new springs but don't know what to buy. The contractor wants $75.00 for each spring (maybe that include the labor) and I think it is very expensive. Can you help me? I am an old widow and I don't have much money to have contractors charge me excessively for materials. My brother was the one who installed the springs. Can you please help me find the right spring? The door is for 2 car and is made of corrugated metal and wood frame.
Asked by: Carmen
P728 (7 gauge wire, 28'' long) is probably the most common. If the door is heavy (wooden = approx. 300#) you'll need two on each side. Corrugated metal may be lighter so one per side may work. They are approx. $25 per spring and installing them is easy. Search online for how-to videos and weight guides.
Answered by: Slick
Date published: 2016-12-21

Does this spring have a rod in the middle of it?

Does this spring have a rod running through the middle of it? For a safety precaution...
Asked by: HDgirl
Yes it has a stiff wire down the center you can see the top of it in the photos -- in the center
Answered by: Ken
Date published: 2017-05-16

Are these springs still Made In The U.S.A. as of March 2017? Thanks

Are these springs still Made In The U.S.A. as of March 2017? Thanks
Asked by: jonwes
These are made in USA
Answered by: choies
Date published: 2017-06-02

is the p528 150lb spring

Asked by: ferg
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Customer Reviews

P728 28 in. Plug-End Extension Spring (0.177 in. No. 7 Wire) is rated 4.5 out of 5 by 19.
Rated 1 out of 5 by from the spring was & still is covered with a black "sooty" like substance. After installing my hands ... the spring was & still is covered with a black "sooty" like substance. After installing my hands were completely black. Tried cleaning it for 15 min using 409 and apporx 20 paper towels --it is still not clean & black coating is starting to expose the bare metal. Normally would not care-- but now we have to avoid brushing against the spring when walking between the car and the garage opening to avoid getting the black soot on our skin or clothes. Would return but -it's inconvenient to not have the garage door working. Have been buying Holmes replacement springs for decades but have never had a problem like this --don't know if it is the manufacture's problem or Home Depot's --the spring was & still is a dull black instead of the glossy black all others I've purchased or seen in stores. This was an online order (picked up at the store and shipped in a box) so did not see it until I got home.
Date published: 2017-05-16
Rated 4 out of 5 by from This is a replacement of their old product P728C. My garage door used 4. One broke, I replaced al... This is a replacement of their old product P728C. My garage door used 4. One broke, I replaced all 4 of them and they work fine.
Date published: 2017-06-02
Rated 4 out of 5 by from Very hard to install. Needed 2 people to do it.... Very hard to install. Needed 2 people to do it. Other than that it was the right part and fixed the door.
Date published: 2017-04-20
Rated 4 out of 5 by from It was easy to install, but did not include the... It was easy to install, but did not include the connectors. Fortunately the old ones still work.
Date published: 2017-04-23
Rated 5 out of 5 by from This product worked perfectly . It was the only one I found to work for my application. This product worked perfectly . It was the only one I found to work for my application.
Date published: 2017-04-25
Rated 5 out of 5 by from Fantastic Wonderful to have my garage door to open, shipping was quicker than stated.
Date published: 2017-07-25
Rated 4 out of 5 by from Fits perfecr. wish you included w hooks with. purchase. ... Fits perfecr. wish you included w hooks with. purchase.
Date published: 2017-09-12
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-04-20
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