HSS® Series A NON-PRESSURIZED STAINLESS STEEL BUFFER TANK FOR HYDRONIC HEAT! Available Sizes: HSS-12, HSS-20, HSS-30, HSS-40, HSS-60, HSS-80 1 1/4", 1 1/2" or 2" inlet & 3/4" or 1" ball valve outlets Water temperature not to exceed 150 degree max Designed for 6…