Hormann sectional door spring L721/L30 or R721/R30

Hormann L721 or R721 sectional garage door spring
LEFT OR RIGHT
Item description:
Looking for a reliable replacement spring for your garage door? Our springs guarantee durability and trouble-free operation. Made of high-quality materials, they meet the highest standards and are an ideal replacement for your garage door.
When ordering a single unit, please specify the winding direction: LEFT or RIGHT (if no information is provided, we will send the left one).
The correct choice ensures proper door operation.
This offer is for LEFT OR RIGHT sectional garage door springs
L721/L30 (replacement)
R721/R30 (replacement)
Left-wound and right-wound spring
Technical data:
- Galvanized wire in SH class
- Turn indicator (colored line)
- Spring ends bent as per original
- Left-wound or right-wound spring


How to check what spring you have?
- measure wire thickness
- inner or outer diameter
- number of coils
- spring length is measured on the coil itself
- number of coils X wire thickness = spring length
- wire winding direction indicates spring type L or R (see photo)
Purchase options:
- Set of springs (left + right): Available in another auction. An ideal solution when replacing both springs simultaneously.
- Individual orders: Need more or different sizes? Check our other auctions.
Why buy from us?
- Directly from the manufacturer: Guarantee of the highest quality and competitive prices. Full control over production. POLISH PRODUCT
- Wide selection: Springs in various sizes, available in other auctions.
- Advice: If you have questions or need help choosing the right springs, our team is at your disposal.
By buying from us, you invest in products that will ensure your garage door's reliability for years!
Our company's specialty:
We produce technical springs (tension, compression, torsion) and other products from spring wire with a diameter of 0.2 mm to 18.0 mm. We fulfill single and serial orders.
The appearance of the auction is protected by copyright (Journal of Laws 1994/24/83).

