HYDROBOILER-SS HYDROBOILER-SS  is  made  of  high quality  materials (tank and heat exchanger made of AISI 316L Stainless steel / external casing made of AISI 304 Stainless steel). The storage capacities available are from 22 up to 80 liters (from 5,8 to 21,1 gal). The electrical heating elements available are in Incoloy at 500 and 1200 [...]