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Replacement Power Cylinder for MK 7 Range

This Replacement Cylinder is suitable for the Bayliss MK7, MK7 Triple Spring and Hydraulicheck automatic openers.
Easy to fit.

This cylinder is filled with a wax that expands in warm temperatures - it can be set to start opening from around 12*C / 55*F up to 75*C / 24*F.

Length excluding piston 7.38" / 18.75cm.

Please note : replacement washers are supplied with the cylinder.  
Learn more
Click Here to see full and comprehensive instructions for fitting this Bayliss Cylinder.