Click to expand Tap to zoom ESBE VTA312, External thread Thermostatic mixing valve by ESBE SKU 31050500 ESBE VTA313 Domestic hot water regulation. Asymmetrical flow pattern. The series VTA310 is designed for temperature control in domestic hot water installations without any requirements for a scald safe function. This series of valves is not suitable for domestic hot water installations equipped with HWC. ESBE | VTA310, Thermostatic mixing valve Art.no. Reference Temp. range [⁰C] Kvs Connection A [mm] B [mm] C [mm] D [mm] Weight [kg] Note 31050200 VTA312 35 - 60 1,2 G ½" 70 42 52 46 0,41 Replaces 410. Accessories