This is a replacement Raypak Inlet/Outlet Flange; Size: 1-1/2 and 2 Inch For the Heat Exchanger. This item is designed to fit Raypak pool heater models such as the 53A; 53B; 055A; 055B; 153; 153A; 155A; 181 Pool Heaters.
It includes the Flange Gasket
