Hormann Emergency Release NET 3 for Double Skinned Sectional Doors
An emergency release lock and pull cord for electrically operated Hormann double skinned sectional doors without a handle set and universal for all other double skinned Hormann door types and other makes. An essential rather than optional accessory where no other means of entry into the garage is available.
Only suits double skinned (insulated) doors and requires a 13mm diameter hole to be drilled through the face of the door.
Hormann part number 437 149 (NET 3).