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and R-134a
Industrial Durability: High-grade resilient seals compatible with standard refrigerants and light oils to prevent premature swelling or degradation
To ensure a leak-free HVAC seal
reducing mechanical stress on the layout
ZoneFirst AOBD-16X12 Damper Els PW 17895 and R-134aThe ZoneFirst AOBD 16X12 is a professional grade automatic opposed blade damper engineered for high performance HVAC zoning systems. Measuring 16 inches wide by 12 inches high, this heavy duty unit features a 24Vac power open power closed actuator with integrated end switches for precise feedback and system sequencing. Built from anodized extruded aluminum, the opposed blade design ensures linear airflow control and minimal turbulence compared to
