the Maxitrol M511B series is specifically designed for negative pressure (suction) systems

this differential air pressure switch features a versatile set point range of 0

5" WC output ensures optimal combustion efficiency for natural gas applications

With a robust 250 PSI pressure rating at temperatures up to 400°F

It is critical to match the 1/6 HP rating

Daikin-McQuay 073300901 Amplifier/Rectifier Freon the Maxitrol M511B series isThe Daikin McQuay 073300901 Amplifier Rectifier is a critical electronic control component engineered for high precision burner flame monitoring. Designed with a 3 second Flame Failure Response Time (FFRT), this unit provides the immediate signal rectification necessary to interface between the flame sensor and the primary burner control. In industrial and commercial HVACR applications, the 073300901 flame amplifier ensures that the combustion