the ecobee's internal logic keeps the power sources isolated

Reliable Performance: Maintains consistent holding current to prevent valve chattering or premature coil burnout

While it can technically be mounted in any position

Provides a consistent 3 to 6 PSI compression range for reliable spring-return safety functions

tinnerman clips

Maxitrol M511-1/2 Valve Freon the ecobee's internal logic keepsEngineered for high precision thermal management in HVACR systems, the Maxitrol M511 1 2 is a specialized modulating gas valve designed for direct fired burners. This industrial grade component is purpose built for negative pressure (pull through) applications where consistent gas modulation is critical for maintaining stable discharge air temperatures. This model features a 1 2" NPT connection and is fully compatible with Maxitrol Selectra Series 14