46-320-1165 - Flo Thru Heater - Brett, 15in x 2 Inch , 230v, 4.0kw - Stainless steel manifold has top indent grooves and a 1/8in npt pressure switch tap. Shipped with 2 Inch tailpieces, split nuts and gaskets. Pressure switch not included - B24040E - 46-320-1165