Z3100QPF-J+CQKB24-S-LL - Belimo
USA Market Products

ZoneTight™ (QCV), Press Fit, 1", 3-way, Cv 4.4 |Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, 1 x SPST, Normally Open, Fail-safe position Open