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Fit External Vent Grill to Pipe Same Size

Postby ms1983 » Fri Apr 13, 2018 3:26 pm


I have an external vent grill from my oven extractor fan that has broken off.

I have bought a new grill vent which comes with a 6 inch diameter attachment.

The problem is the pipe itself in the external wall is 6 inch diameter (rigid plastic not flex venting).

What is the best option here?

    Silicone the two parts together?
    Buy a 6inch to 6inch connector (grill will protrude a few inches if I do this)

The strange thing is that the last vent grill must've been the tiniest bit bigger than 6 inch diameter to have fitted over the 6 inch pipe - yet anything I can find it 6 inches exactly? Possibly it all came together as a kit?
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