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The ZoneFirst AOBD-18X10 is a heavy-duty 18x10 rectangular damper engineered for precise airflow management in residential and light commercial zoning systems
the D-3153 series is UL component recognized for use on classified smoke and combination fire/smoke dampers tested up to 250°F
featuring improved material resilience while maintaining the same HVAC part compatibility footprint
and that the physical dimensions of the NEMA 48 frame fit your housing
providing the granular control necessary for maintaining stable discharge air temperatures
York S1-2702-316P/A Limit Switch 321894-706 The ZoneFirst AOBD-18X10 is aThe York S1 2702 316P A Limit Switch is a critical safety component engineered for precise thermal regulation within York and Johnson Controls HVAC systems. This HVAC high limit switch functions as a primary safety cut out, monitoring heat exchanger temperatures to prevent overheating conditions that can lead to equipment failure or hazardous operation. As a direct replacement for S1 2702 3161 A, as well as the S1 2702 316P and S1 2702 316PA models,