typically utilized for service ports or high-pressure relief scenarios in centrifugal and scroll chillers

The Buna-N (NBR) seals are optimized for air

25 kW high-capacity OEM replacement designed for precision heat transfer in residential and light commercial air handlers and electric furnaces

supporting effective airflow across residential and light commercial equipment

Key Benefits: Direct Cross-Reference: Seamlessly replaces legacy part numbers including 624714

ZoneFirst MST Damper Actuator 30067439-890 typically utilized for service portsThe 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