Manthorpe GRPA/3 Pipe Reduction Adaptor - 3"
The GRPA/3 reduction adaptor is designed for reducing 4’’ ducting and flexible pipes in order to make connection to 3’’ ventilation products possible.
The GRPA/3 Reduction Adaptor should simply be pushed inside the 4’’ diameter flexible pipe being used, then screwed in position by the metal screw clamp supplied.
If used in conjunction with the GRPA flexible pipe end, it should be trimmed. The 3’’ diameter end should then be pushed over the ventilation outlet terminal and secured by the metal screw clamp as shown.
|Certification||BS5534 & BS5572; Building Regulations F1, H1|
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