This heating system boasts 11 KW of heating power and operates at 240 Volts. It comes with a robust 304 Stainless steel tank and features a 304 Stainless steel threaded head along with a safety sensor electric heating element. The service-ease design ensures straightforward access to internal controls, and it includes a heater on indicator light. It's designed to fit a 1 1/2" plumbing size for convenient installation.