Need a hot water solution when you’re working with a chiller, heat pump or a low-mass boiler? Choose Dunkirk’s H2O Stainless Steel Buffer Tanks. These buffer tanks are available in 22, 40, 60, 80 or 115-gallon capacity, with your choice of 1-1/4″, 1-1/2″, or 2″ connections for peak performance. This is the perfect solution to burner short cycling.