floor heating valve (1) 6 degree- 28 degree, room; (2) 30 degree - 70 degree, floor heat; EN215 ISO9001:2008 CE Avonflow Baiyilun TRV ... 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 ... , three-way valve; 4. According to European standard design, quality and reliable; 5. Because we are professional, so they are ...