DH- B-10, Galvanized steel / Stainless steel Construction. Voltage Rating:
Single Phase / Three Phase Models: DH-B-12; Flanged Heater (With Removable Heater Section) Flanged Heater consists of heater coils mounted in a flanged duct section. Frame dimensions are made to match exact duct dimensions. The frame is then attached directly to external flanges of the duct. All controls are mounted in the terminal box.