Zonefirst SPRD-8 Damper Els PW 17895 reducing the load on the

reducing the load on the blower motor and lowering overall energy costs

What are the signs of a failing 243-8 diaphragm

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

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

Zonefirst SPRD-8 Damper Els PW 17895 reducing the load on theThe 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