Zonefirst SPRD-12 Damper Els PW 17895 This 24-inch nickel-plated thermocouple is

This 24-inch nickel-plated thermocouple is specifically designed to provide superior corrosion resistance

Restores U5B pressure reducing valve accuracy to prevent fixture damage from high-pressure surges

For systems operating near or below freezing

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 This 24-inch nickel-plated thermocouple isModern 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