Marley Black Garage Door Spring springs 230v courtesy light output with

230v courtesy light output with adjustable time control

Genuine Garador/Hormann Bottom Roller Bracket

(as pictured)

Note: If you springbox does not have a removable cover it is not recommended to carry out repairs

Spring PN150: (current part no: 4746) - no markings

Marley Black Garage Door Spring springs 230v courtesy light output withMarley 23 Black Autodor Spring A spring to suit certain models in the Marley Autodor and MG ranges of doors. The spring is identified by its colour (black), hooks at each end as opposed to inserts and its length over coils. The length over coils is 584mm (23) When replacing garage springs, it is recommended to replace both springs at the same time, to ensure the spring tension and door remain balanced.