Large cold roof drain assembly flat grating threaded outlet BSP 4
Analytical Flow Rate based on 35mm head of water (L/s)
3D CAD File
Medium cold roof drain assembly domed grating spigot outlet
Medium cold roof drain assembly flat grating spigot outlet
Frost 4″ X 3″ Threaded Reducing Bush
Frost spigot adaptor BSP4 to 110mm Ensign BS416/2
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