floor heating valve (1) 6 degree- 28 degree, room; (2) 30 degree - 70 degree, floor heat; EN215 ISO9001:2008 CE Avonflow Baiyilun TRV Co.,Ltd ... Russia,Romania, Greece,Croatia,Turkey, Poland, Ukraine and so on. Floor Heating Valve: 1. Two controlled temperature:(1) 6 - 28 , for the ... room;(2) 30 - 70 , for the floor heating. 2. The normal wire length is 2 meters, its length ...