Hörmann L703 torsion spring for track application N, L or H, left-hand wound

Torsion springs sit on a shaft above the door and balance the weight of the sectional garage door so that it opens easily by hand or with an operator. The L703 spring is designed for Hörmann series 20, 30 and 40 sectional doors with track application N, L or H and is left-hand wound. It is supplied complete with the spring winding cone.

How to find the right spring

Each spring has a small aluminium label with its marking at the end, for example L703. Order a spring with the same marking. The spring on the other side of the door has its own marking, for example R703 – check it on its label as well. You will find other types in the Garage door spare parts category. If you cannot read the marking, write to eshop@saver.sk.

Safety

• Replace both springs – the springs are calculated for the same load. When one breaks, the other is close to its breaking point.
• A spring can break suddenly – so when one spring breaks, don't wait and replace both.
• Leave the replacement to a specialist – a tensioned torsion spring is dangerous. We replace springs in the Košice and Prešov regions, see the Service page.

When replacing, also check the wire ropes for track application N.