£42.24 (inc. VAT) £35.20 (ex. VAT)

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The VELUX ZOZ 010K S011 Opening Restrictor (with key) is the perfect solution for that extra bit of security in your home. This mechanism allows you to regulate the extent to which your VELUX Roof Window opens with the easy-to-fit safety catch.

The Opening Restrictor is only suitable for GGL/GGU Roof Windows.


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Better to be safe than sorry, and when it comes to VELUX there are ways you can help secure your window. With the VELUX Opening restrictor you can regulate the extent to which your VELUX Roof Window opens with the easy-to-fit safety catch. This mechanism ensure that your VELUX window does not open too far if it is placed in an easily accessible place. 

The VELUX opening restrictor (ZOZ 010K S011) is ideal for extra security in a child's bedroom, ensuring it does not open too wide for them, whilst still allowing a restricted level of fresh air and ventilation into the room. 

The VELUX opening restrictor is suitable for centre pivot roof windows only (GGL & GGU) which have a height of 98cm or more.

Besides price…
why else would you choose YARD?
  • Roof Windows is all we do – we love what we do
  • We’re nice to deal with
  • We get a kick out of helping our customers
  • We make sure we fully understand your project
  • So, we can offer you the best window options
  • We believe we’re exceptionally good at this
  • We’ll keep your tradesmen or installer happy
  • We always ask the right questions before you buy
  • If things go wrong – we take a pride in sorting

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