Maxitrol M511-3/4 Valve 30067439-890 this switch prevents the system

this switch prevents the system from operating under unsafe conditions such as flue obstructions or mechanical blower failure

Can this replace a smaller tonnage valve

Key Benefits Zero Differential Operation: The direct lift diaphragm allows for full flow even at 0 PSI

offering smooth articulation to reduce wear on actuator components

Maxitrol M511-3/4 Valve 30067439-890 this switch prevents the systemThe Maxitrol M511 3 4 is a modulating gas valve engineered specifically for technical performance in direct fired, negative pressure burner systems. As an essential component of the Selectra series, this 3 4" NPT valve utilizes a solenoid driven plunger to provide precise, instantaneous flame adjustment without the need for mechanical linkages or motor drives. Designed for a maximum inlet pressure of 1 2 PSI, the M511 requires an upstream pressure