this assembly provides the necessary static pressure to purge the heat exchanger of flue gases before ignition

Can I use an AC coil with this specific valve body

Can the spark gap be adjusted on this model

making it a preferred choice for contractors requiring low-leakage air control and long-term mechanical reliability

While both are 316 SS

Johnson Controls VA-7482-8002-RA Actuator 319852-301 this assembly provides the necessaryThe Johnson Controls VA 7482 8002 RA is a professional grade proportional valve actuator engineered for high accuracy positioning in commercial HVAC systems. Operating on a 24VAC DC power supply, this non spring return (NSR) unit delivers a minimum of 120 N (31. 4 lb) of force, making it an ideal choice for managing pressure independent control valves (PICV) and standard terminal unit valves. The integrated auto stroke detection technology ensures the