What causes a gas burner to fail in these units

this smart thermostat connects via 2

It features a broad temperature range of 100°F to 450°F (38°C to 232°C)

Complete Installation Kit: Includes the necessary Teflon washer and bulb insulation to ensure a professional

Designed for AERCO commercial boiler and water heater systems

Aprilaire 6612 Damper 319852-301 What causes a gas burnerThe Aprilaire 6612 Damper is a precision engineered 12 inch round damper designed to optimize airflow within your residential or light commercial zoning system. This power close spring return actuator ensures reliable HVAC zone control, effectively managing air distribution to enhance indoor comfort and energy efficiency. Built with professional grade construction, the Aprilaire model 6612 features a robust 24V motor that provides consistent operation