What is the purpose of the expanded outlet

Does this part include the O-ring or seals

preventing wire degradation in the high-heat combustion zone

Does this include the bearing assembly

the Danfoss TGEX series is designed with a bypass function capability or can be used in bi-flow configurations if specified by the system mechanical design

ZoneFirst SPRD-14 Damper R-22 What is the purpose ofThe 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