ZoneFirst SPRD-20X10 Damper Els PW 17895 this factory-calibrated unit eliminates the

this factory-calibrated unit eliminates the risks associated with generic sensors that may fail to trip at delicate setpoints

it features a durable ceramic insulator and a high-alloy metal probe capable of withstanding the thermal stress of industrial combustion chambers

immediately interrupting the burner circuit to prevent gas accumulation or equipment damage

this component eliminates the balance issues often found in universal alternatives

Universal Compatibility: Replaces thousands of OEM models

ZoneFirst SPRD-20X10 Damper Els PW 17895 this factory-calibrated unit eliminates theThe ZoneFirst SPRD 20X10 is a heavy duty barometric static pressure regulating damper designed for precision airflow management in multi zone HVAC systems. Built with 22 gauge galvanized steel, this 20 inch wide by 10 inch high rectangular bypass damper is engineered to handle airflow ratings up to 2000 CFM. As zone dampers close, duct static pressure naturally increases; the SPRD 20X10 automatically compensates by opening its single blade mechanism