How do you adjust the opening point on a Johnson Controls water valve

How do I verify if the flame signal is adequate via this electrode

the bulb should be mounted at the 4 or 8 o’clock position on a horizontal run

eliminating the risk of mismatched components

Johnson Controls VG7441NT+72CHGA Valve Assembly Els PW 17895 How do you adjust theThe Johnson Controls VG7441NT+72CHGA is a heavy duty 1 inch NPT 2 way normally closed globe valve assembly engineered for precise control of hot water, chilled water, and steam in demanding HVAC systems. This cast bronze body valve features an equal percentage flow characteristic and a high 11. 6 Cv rating, ensuring stable modulation and linear heat transfer across varying load conditions. The assembly is driven by the VA 7200 series spring return