Zonefirst SPRD-9 Damper Els PW 17895 Enhanced System Safety: Protects the

Enhanced System Safety: Protects the heat exchanger from cracks and structural damage by preventing excessive heat buildup

For liquid propane applications

This York S1-024-34554-000 provides a physical barrier that maintains the internal integrity of the motor in harsh outdoor environments

if the application requires a shorter insertion depth

Zonefirst SPRD-9 Damper Els PW 17895 Enhanced System Safety: Protects theThe Zonefirst SPRD 9 is a professional grade 9 inch round barometric static pressure regulating damper engineered for precise HVAC bypass management in multi zone systems. This mechanical, non electrical component utilizes a weighted counter balance arm to automatically relieve excessive static pressure as individual zone dampers close. When the air pressure in the supply plenum exceeds your calibrated setpoint, the damper blade opens to bypass air