floor heating valve (1) 6 degree- 28 degree, room; (2) 30 degree - 70 degree, floor heat; EN215 ISO9001:2008 CE Avonflow Baiyilun TRV Co ... , for the room;(2) 30 - 70 , for the floor heating. 2. The normal wire length is 2 meters, its length can be made ... 390 g 370 g 360 g 455 g 600 g floor heating systems valve