Click to expand Tap to zoom 36100100: ESBE VVA102 PN10 G1/2 DN15 Vacuum valve by ESBE SKU 36100100 ESBE VVA102 PN10 G1/2 DN15 Protecting water heaters from under pressure and siphonage. Fits perfectly on series VMA200/VMB400. Vacuum valves series VVA100, intended as anti-siphonage devices. ESBE | VVA100, Vacuum valve Accessories