✔ Fix Common GHD Faults. Designed for GHD MK3 models. GHD MK3 / MK3.0. GHD MK3.1B. Early GHD models (circa 2001). This heater is designed for 160 Ohm standard MK3 models only. A: No, this heater is designed for standard MK3 models only and is not compatible with MS or Mini versions.