Harmer AV300T Aluminium Dome Grate Flat Roof Outlet with Vertical 3"BSPT Thread (Adapter required. See 3ADP) 75mm Permavent Graphite 1

Permavent Graphite 1

Rainwater Head H460 Primed 100mm Outlet 305x250x200mm RH460124

fully bonded coating helps prevent leaks and cracks

Grey Composite Rail System 1

Harmer AV300T Aluminium Dome Grate Flat Roof Outlet with Vertical 3"BSPT Thread (Adapter required. See 3ADP) 75mm Permavent Graphite 1Harmer Roof AV Vertical Threaded Outlets feature a female socket with parallel threads to BS EN 10226 1, designed for secure connection to threaded tube. Ideal for installations within concrete slabs, they ensure a completely gastight seal. These outlets can be easily connected to cast iron, HDPE, and PVC pipework using the Harmer Roof Threaded Spigot Adaptor and A2 fire rated coupling.