3 4" 2 Way Globe Valve, Water Up To 50% Glycol, CV 6.3, 24 VAC VDC, Proportional [0 to 10 VDC or 4 to 20 mA], Non Spri MODELO 475 1 FM AV MODEL16020 NOA LGC SSR Rango de Presion:0 a 1" w.c. MODEL16020 NOA LGC SSR 175 55 2 ARMATURE ROD ASSEMBLY 30 sec Runtime Water Up To 50% Glycol