Zonefirst SPRD-12 Damper Els PW 17895 you secure a cleaner decibel

you secure a cleaner decibel rating and reduce fatigue on critical heater mounting hardware

this genuine Intermatic replacement part features a robust metal construction and a pre-installed gear cover to protect the internal 3-watt drive assembly from debris

this kit is exclusively for LP gas conversion

the 1701-1 is designed to switch to bypass mode while the system is under pressure

or electric heating systems

Zonefirst SPRD-12 Damper Els PW 17895 you secure a cleaner decibelModern forced air zoning requires precise management of air velocity to prevent equipment damage and audible noise. The Zonefirst SPRD 12 is a professional grade 12 inch round barometric static pressure regulating damper designed to bypass excess supply air directly into the return plenum as individual zone dampers close. Built with a heavy duty 22 gauge galvanized steel shell, this single blade unit utilizes a counter balanced weighted arm to