Specifically balanced for Nordyne furnace and AC units

Class F Insulation: Rated for high-temperature environments to prevent premature thermal breakdown during continuous duty

If heating elements stay on after the thermostat is satisfied or if the furnace fan fails to start during a heat call

facilitating communication between the sensors and the firing mechanism

Honeywell 420-I Converter 318518-761 Specifically balanced for Nordyne furnaceThe 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). This module bridges the communication gap between serial Modbus RTU networks and traditional analog field devices, providing a reliable analog output signal for proportional control. Engineered for precise signal conversion, the 420 I supports up to 127