Maxitrol MR610-3/4 Valve R-410A and safety limit circuits to

and safety limit circuits to maintain precise thermal output

the mounting and electrical orientation remain consistent

facilitating standard brazing procedures with silver solder or Phos-Copper alloys

ensuring reliable on/off control in zoned commercial or residential HVAC systems

What size pilot tubing is required

Maxitrol MR610-3/4 Valve R-410A and safety limit circuits toThe Maxitrol MR610 3 4 is a 3 4" NPT modulating gas valve and integrated regulator designed for atmospheric burners and indirect fired systems. Engineered for the Maxitrol Selectra Series 20 and 21, this valve executes a dual function, managing both precise modulation and pressure regulation without the need for an external mechanical actuator. It supports a maximum inlet pressure of 1 2 PSI and is critical for applications requiring stable, non