Precise Ignition Control: Optimized for 24VAC hot surface ignition (HSI) sequences to prevent delayed ignition or lockouts

Durable Construction: Built to withstand the high-moisture and corrosive environments typical of outdoor condensing units

It is recommended to inspect your existing primary and secondary drain line fittings for cracks and replace them during installation to ensure a total seal

Key Benefits Field-Adjustable Purge: Multiple timing options from 5 to 240 seconds allow for precise matching of burner airflow requirements

Resideo TH6220WF2006 Thermostat 320788-704 Precise Ignition Control: Optimized forFor contractors managing multi stage equipment, the Resideo TH6220WF2006 is a professional grade Wi Fi programmable thermostat that streamlines HVAC installation. Part of the Honeywell Home T6 Pro series, this unit supports 2 Heat 2 Cool conventional systems and 2 Heat 1 Cool heat pumps. It operates on 20 30 Vac and requires a dedicated C wire (hardwired) power method to maintain the Wi Fi connection. The UWP mounting system allows for a standard