Z3050QPF-H+CQKB24-S-RR | ZoneTight™ (QCV), Press Fit, 1/2", 3-way, Cv 2.7 |Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, 1 x SPST, Normally Closed, Fail-safe position Closed | Belimo Temp & Humidity Signals_Thermistor & 4-20 mA up to 60% glycol [Verify

up to 60% glycol [Verify compatibility with your specific fluid

^^[Part# NMCB24-SR is the same as NMCB24SR]^^

It is an energy-efficient choice with low power consumption in both running and holding modes

<20 seconds (spring return at -4°F to 122°F)

The valve features a non-spring return mechanism and operates on 24V

Z3050QPF-H+CQKB24-S-RR | ZoneTight™ (QCV), Press Fit, 1/2", 3-way, Cv 2.7 |Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, 1 x SPST, Normally Closed, Fail-safe position Closed | Belimo Temp & Humidity Signals_Thermistor & 4-20 mA up to 60% glycol [VerifyResources Datasheet Installation Instructions More Info