Johnson Controls VG1841CN Valve 340155-7026 it does not include the

it does not include the internal processing circuitry or the main controller PCB

the ignition module is likely failing to send the signal to the gas valve

and reversing valve

or debris clogging the internal screen

Johnson Controls VG1841CN Valve 340155-7026 it does not include theThe Johnson Controls VG1841CN Valve is a high performance 1 inch NPT three way ball valve designed for precise flow regulation in HVAC hydronic systems. Featuring a robust forged brass body and plated brass trim, this valve is engineered to handle hot water, chilled water, and 50% glycol solutions with a maximum static pressure rating of 580 psig. The integrated equal percentage flow characteristic ensures linear heat transfer in coil applications,