18" 3 Way Butterfly Valve, Ductile Iron Nickel Plated Disc, Chilled Water Hot Water Up to 50% Glycol 20..250°F, CV Tipo_Piezoeléctricos O 4B LOW COST TEMP SNSR Rango de Presion:0 a 1" w.c. O 4B LOW COST TEMP SNSR AP 153 36 PRESS SW Screw Terminal Ductile Iron Nickel Plated Disc