Maxitrol MR212G-2020 Gas Valve Refrigerant The Parker 70777 is a

The Parker 70777 is a high-performance 1 inch GP1057 solenoid valve designed specifically for the rigorous demands of saturated steam and hot water systems

you must use the manufacturer-specified relay to ensure proper sequence of operations

For veteran HVACR technicians and contractors

By staggering the HVAC heating element load

They handle thermal cycling better and are less prone to damage from accidental contact during maintenance

Maxitrol MR212G-2020 Gas Valve Refrigerant The Parker 70777 is aThe Maxitrol MR212G 2020 is a high capacity 2 1 2" NPT negative pressure modulator regulator valve specifically engineered for direct fired burners in pull through applications. Built for precision in industrial and commercial make up air systems, this Maxitrol Selectra series component handles a 5 PSI maximum inlet pressure and eliminates the need for a separate upstream regulator. By utilizing a specialized counter spring, the MR212G 2020 remains