water underfloor heating 8 port 800m kit up to 160m2 with Grundfos UMP3 pump
(160m2 based on 200mm pipe spacing). Grundfos UMP3 Digital ‘A’ rated pump. Over 25 years heating design experience. Kit will cover 120m2 at 150mm and 80m2 at 100mm pipe spacing’s. Kit Includes.