Keywords: 2 in no hub connection, 30 gpm, 4 in no hub outlet, air, backflow, brass mini regulator, brass reg, brass regulator, cast nickel bronze, checkvalve, countersunk mounting holes, deck flange with adjustable extension, double, doublecheck, downspout nozzle, dual chamber basket, epoxy coated cast iron, epoxy-coated steel, expansion, fill, flashing clamp, high volume roof drain, hydronic, integral gravel stop, lead free, lf, low pressure regulator, mini regulator, no hub, pres reg, preventer, quarterturn, recessed or floor mounted, reg, regulator, repair kit, rk, sediment interceptor, self-locking pe dome, separator, shock, shut-off, tailpiece, tank, valve, valve repair, vlv, water hammer arrestor, water pressure reducing, water pressure reducing valve, water regulator, wp valve, wprv,