The Lennox 78F91 is a direct-drive

Fast Diagnostics: The stable 4-20mA current loop facilitates easy troubleshooting and long-distance signal transmission without interference

Unlike universal aftermarket controls

Fail-Safe 24V Motor: Spring-return open configuration ensures the zone remains accessible for ventilation in the event of a power failure

Siemens Building Technology 599-02062 Valve 340155-7024 The Lennox 78F91 is aThe Siemens 599 02062 is a high performance 2 way normally open globe valve designed for demanding terminal unit applications in commercial HVAC systems. Featuring a 3 4 inch NPT x Union Male connection, this Powermite MT Series valve body is engineered with a 6. 3 Cv capacity and a modified equal percentage flow characteristic, ensuring precise thermal control in hot water, chilled water, and glycol solutions (up to 50%). Built for longevity, the