Thermolec FFB Model Electric Boilers are for hot water heating applications up to 40 kW, in single phase or three phase and with an ASME listing, the FFB Series boiler is the solution. Standard features include full modulation, outdoor rest and a stainless steel heat generator ...Thermolec FFB Model Electric Boilers are for hot water heating applications up to 40 kW, in single phase or three phase and with an ASME listing, the FFB Series boiler is the solution. Standard features include full modulation, outdoor rest and a stainless steel heat generator tank.
Also, the FFB has built-in controls to energize a gas back-up boiler in a dual fuel application. The boiler can accept either a low voltage relay or panel disconnect utility control, or can be manually switched between gas and electric by the homeowner with a built-in switch.