Zonefirst SPRD-9 Damper Els PW 17895 Direct Foot Mount: Simplified installation

Direct Foot Mount: Simplified installation with foot mount brackets that align with factory-drilled holes in Lennox air handlers and furnaces

if the application requires a shorter insertion depth

for older systems with mineral oil

For technicians troubleshooting a lockout

While the adapter provides the physical connection

Zonefirst SPRD-9 Damper Els PW 17895 Direct Foot Mount: Simplified installationThe 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