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Rotary vent, Plastic, 240mm diameter, 110m high These require 100mm dia hole. All plastic construction, white, with ball bearings. Protrudes 110mm above roof.

Features

To install, remove the top cap and undo the spindle nut. The entire rotating section will remove and leave the base plate exposed. The base plate is screwed or rivetted thru the 4 holes provided, and silicone or caulking compound should be added to the surface to prevent water leaks.

An optional internal cut-off vent may be added if required. Search for 'muller round'.

The image to the right shows the base added to the roof, then the rotary vent added. (Note: the retaining nut and cover cap have been left off in this photo)

Specifications