The A19DAC-1 housing is rated for a maximum ambient temperature of 140°F (60°C)

This ignitor uses a standard 1/2-inch NPT thread to mount directly into the burner housing

Simplified Maintenance: Allows for top-side service of VP519 valves

Optimized Energy Efficiency: The adjustable reset ratio (1:5 to 3:1) allows the system to lower supply temperatures during milder weather

ensuring consistent flame stabilization and efficient fuel-to-air mixing in commercial gas boilers

Bard HVAC 8403-062 Sensor 322057-301 The A19DAC-1 housing is ratedThe Bard 8403 062 is a mission critical 10K Ohm Type II NTC thermistor designed for precision temperature sensing in high performance environmental control systems. This remote air sensor provides the essential feedback loop required for accurate HVAC equipment monitoring, ensuring that controllers can maintain tight tolerances in demanding applications. Engineered for seamless integration with Bard wall mount units and advanced thermostats, it