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The Honeywell 420-I Converter is a professional-grade Modbus RS-485 to 4-20mA digital-to-analog output converter designed for seamless integration into complex Building Automation Systems (BAS)
With a 650 PSI maximum rated pressure
the 196248 housing shroud is essential for resolving noisy inducer operations or air leaks that lead to pressure switch trips
Durable Construction: Engineered to withstand the thermal cycling typical of high-recovery commercial and residential units
Lochinvar & A.O. Smith 100297134 Flame Sensor 328140-751 The Honeywell 420-I Converter isThe Lochinvar & A. O. Smith 100297134 Flame Sensor is a critical genuine OEM replacement part engineered for precision flame rectification in high efficiency gas fired systems. Designed for use in Lochinvar boilers and A. O. Smith water heaters, this sensor monitors the burner flame to ensure the ignition control module receives a continuous microamp signal. If the flame signal is lost or carries high resistance, the system initiates a safety lockout