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If door panel needs to be held back or opened further than 100°, then tension on the spring should be reduced to prevent deterioration of the mechanism
Lubrication is required at installation stage and regulalry thereafter
Door construction must allow for 240 mm depth of spring unit x Ø 25.5 mm
Set includes 3x ‘Soss 218’ concealed mortice hinges, one incorporating the spring mechanism
Instillation templates are recommended
For interior doors
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