Zonefirst SPRD-8 Damper Els PW 17895 installing the genuine OEM furnace

installing the genuine OEM furnace igniter ensures precise fitment and maintains the intended sequence of operation for the furnace control board

the BQC-A size "A" provides a nominal capacity range suitable for air conditioning and commercial refrigeration applications (typically 3/4 to 1-1/2 tons depending on the refrigerant type)

Simplified Serviceability: Standardized Sensus 071-03409-003 dimensions allow for rapid field replacement during routine regulator teardowns

a lack of continuity at room temperature indicates the internal disc has failed

Accurate Temperature Control: Ensures precise monitoring and regulation of water temperature for consistent performance

Zonefirst SPRD-8 Damper Els PW 17895 installing the genuine OEM furnaceThe Zonefirst SPRD 8 8" Round Barometric Static Pressure Regulating Damper is a critical component for maintaining system bypass airflow and duct integrity in multi zone HVAC residential and light commercial applications. Constructed from 22 gauge galvanized steel, this barometric relief damper features a single blade, counter balanced weighted arm designed to respond automatically to fluctuating static pressure. As zone dampers close, the SPRD 8