According to the legend, it developed out of the association of seven villas which were part of the colonial goods of Pula-Pola. Dignano was known as early as Roman times as Vicus Attinianum and listed in historical records in 932 at the time of Pietro Candiniano, to whom the Istrian towns were giving amphorae of good wine in exchange of protection. Inside the historic nucleus, the town. Model J Foodservice Electric Booster Heater For Use in Commercial Kitchens and Restaurants To Supply 180°F Sanitizing Rinse Water. Download keyboard tracer full. The Hubbell J Model is the longest lasting booster heater available because it utilizes a heavy duty ASME Section VIII designed, constructed and stamped all stainless steel tank which does not require an internal tank lining.