Perfectly seals the door of the boiler. Prevents flame and smoke leaking out and extra air going in the boiler.

The rope is with square profile, 16x16mm.

Available lengths for the whole range of WBS and WBS Active boilers:

WBS and WBS Active 20kW - 2,8m

WBS and WBS Active 25kW - 2,8m

WBS and WBS Active 30kW - 3,2m

WBS and WBS Active 40kW - 3,8m

WBS and WBS Active 50kW - 3,8m

WBS and WBS Active 70kW - 3,8m

WBS and WBS Active 90kW - 4,15m

WBS and WBS Active 110kW - 4,3m