Does this arm include the float ball or stem

If your reading drops below 2

Optimized Flow Control: The 2

while the modified B-port maintains constant common port flow

Antunes Controls 803112704 Pressure Switch 30067439-890 Does this arm include theThe Antunes Controls 803112704 Pressure Switch is a high performance RLGP A series low gas pressure switch engineered for precision monitoring in commercial and industrial combustion systems. This automatic reset gas switch is designed to trip when gas pressure drops below the calibrated set point, featuring an adjustable sensing range of 10 50" W. C. to ensure burner safety and equipment protection. Built with a rugged die cast aluminum housing, it