The ADV Timer For GZLD & GDHD is compatible with GEM HLN 002, HLN007, HLN 012, HLN 015, HLN 025, HLD 060, HLN7 008, HLN7 010, 3G VFD 750 models. Always cross-check your machine's model number, or contact our support team to confirm fitment. GEM Equipments Pvt. Ltd., established in 1984 and ISO 9001:2015 certified, is one of India's leading manufacturers of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, based in Coimbatore, Tamil Nadu. All spare parts on Gemspares.in are genuine and sourced directly from the manufacturer.