This part is discontinued and is no longer available.
However, part: G13764 is a potential alternative. This replacement is a similar Ferro lock but without the additional deadbolt below the gearbox
Originally made for Munster Joinery and sold in huge numbers in Ireland, a number of locks were also sold in the UK.
This lock cannot be replaced by any other because of the location of the additional deadbolt.
The Ferco Munster Joinery lock was used widely in doors made from the 1980’s. Extremely popular in Ireland, these locks were also sold widely in doors fitted in the UK. The Munster Joinery variant is the same as the standard 4 roller lock, but features an additional downward throwing hook between the gearbox and the top roller.
Ferco locks are part of the GU group of companies. They are fairly unique as they feature 70mm centres (PZ) and can therefore be easily identified.
The standard Ferco UPVC door lock features a latch only, without a deadbolt in the central gearbox, with 2 or 4 rollers. While they are high quality, they offer low security by modern standards and new doors are no longer manufactured with these locks. Nevertheless, they have been fitted to thousands of doors over the years and there is a substantial replacement requirement.
Ferco gearboxes feature a latch only, making them fairly unique in the market. Another unique element is the PZ measurement of only 70mm.
The spindle is solid, with a standard lift lever function. However, the spindle is only 7mm, compared with standard locks at 8mm. 70mm PZ handles will be supplied with a 7mm spindle to suit these locks, but its important to be aware of this difference.
Gearboxes measure 198mm high x backset + 15mm wide.
Rollers are used for compression, to pull the door against the frame, to help prevent dust or water ingress. They do little for security, but they also have the added benefit of helping to prevent the door from becoming warped as it is supported across its full height. This is dependent on the rollers being engaged into their keeps.
Rollers are normally adjustable by +/- 1mm to help achieve optimum weather sealing.
Operation: Lift Lever
To lock the door
1. Lift the handle upwards to engage the locking points.
2. Lock the locking points and main deadbolt (if present) by turning the key.
To unlock the door
1. Unlock the system by turning the key.
2. Push the handle downwards to disengage the locking points and retract the latch.
We stock a range of associated products for GU Ferco MunsterJoinery multipoint door locks, including keeps, spindles, handles and accessories.
Latch Reversal: Depending on date of manufacture either- Push the latch in to reveal a screw in side of case. Undo screw to remove the latch, reverse, reinsert and replace screw or Insert small flat bladed screwdriver in the small slot on side of case marked R/L. Push upwards to release latch, reverse and reinsert.
You may find this lock used as an UPVC door lock or an aluminium door lock.
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