ZoneFirst SPRD-14 Damper 319848-301 When troubleshooting furnace ignition failure

When troubleshooting furnace ignition failure or soot buildup

this T&P relief valve provides dual-action protection against both excessive temperatures and over-pressurization

What is the typical reset procedure for this protector

maintaining the original factory wiring configuration for Marvair wall-mount AC units

The most common issues are carbon buildup (sooting) and ceramic insulator cracking

ZoneFirst SPRD-14 Damper 319848-301 When troubleshooting furnace ignition failureThe ZoneFirst SPRD 14 Damper is a 14 inch round barometric static pressure regulating damper designed for high performance HVAC zoning. In a multi zone system, as individual zone dampers close, duct static pressure naturally increases. This barometric relief damper utilizes a single blade, counter balanced weighted arm to automatically compensate for this excess pressure, preventing coil freeze ups and high limit trips. Specifically engineered for