Adjustable Differential: The 1

this high-limit control monitors the internal heat exchanger temperature to prevent overheating

This comprehensive kit serves as the direct replacement for the legacy TT-1001

Common Questions Why does my Reznor heater keep tripping the 136736 manual reset limit switch

What is the frame size and mounting orientation for this motor

Maxitrol M620-1 Gas Valve Els PW 17895 Adjustable Differential: The 1For veteran HVACR contractors, the Maxitrol M620 1 stands as the industry standard for precision fuel control in indirect fired atmospheric burner applications. This 1" NPT modulating gas valve is engineered to work seamlessly with the Selectra Electronic Gas Flame Modulating System, providing instantaneous, non fluctuating temperature control without the need for mechanical linkage or motor driven butterfly valves. Designed specifically for