Harmer AV400T Aluminium Dome Grate Flat Roof Outlet with Vertical 4"BSPT Thread (Adapter required. See 4ADP) ridge tile ensuring a perfect fit for

ensuring a perfect fit for any roof style

80mm Copper D/Pipe 60mm Offs

conservation officers

Suitable for new build and refurbishment work

Harmer AV400T Aluminium Dome Grate Flat Roof Outlet with Vertical 4"BSPT Thread (Adapter required. See 4ADP) ridge tile ensuring a perfect fit forHarmer 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.