ZoneFirst MST Damper Actuator 30067439-890 Robust Construction: Nickel-plated forged brass

Robust Construction: Nickel-plated forged brass body with stainless steel trim ensures longevity and reliability in hydronic systems

this model is strictly for single-stage 1H/1C applications

Featuring 3/4" NPT male connections

Technicians typically observe the inducer motor running but the ignition sequence failing to engage

Can this coil be used on liquid line solenoid valves

ZoneFirst MST Damper Actuator 30067439-890 Robust Construction: Nickel-plated forged brassThe ZoneFirst MST Damper Actuator is a professional grade 24V damper motor engineered for reliable operation in forced air residential and light commercial HVAC zoning systems. This two position actuator operates on 24Vac with a high efficiency 6 watt power draw, ensuring minimal load on the HVAC zone control panel. Designed for a precise 30 second timing cycle for both opening and closing, the MST provides consistent airflow management and prevents