Aerated Bottom Drain (Concrete)
The recess in the dome prevents the the membrane from becoming detached. The complete assembly is secured to the bottom drain by means of a stem, which also provides the air inlet. Most water pipe sizes can be accommodated, the customer to specify. The air inlet is via a nickel plated connector. The tube size can be specified by the customer. A connector for tube sizes up to 1/2" bore will be supplied at no extra cost. Weight of the unit 5kg approx.
Stocked drain has 4" (waste ) socket, and 1.5 " high pressure socket for air line.