water underfloor heating 7 port 700m kit up to 140m2 with Grundfos UMP3 pump
(140m2 based on 200mm pipe spacing). Grundfos UMP3 Digital ‘A’ rated pump. Over 25 years heating design experience. Kit will cover 100m2 at 150mm and 70m2 at 100mm pipe spacing’s. Kit Includes.