This model features a critical manual reset function and a power outage reset capability

the 15BI3 ensures immediate discharge of air and non-condensable gases

Advanced Safety: Contains localized logic for flammable vapor sensor monitoring and high-limit ECO (Energy Cut-Off) protection

Trust the IND-PR03 for dependable butterfly valve accessory functionality and enhanced system oversight

which in turn regulate modulator-regulator valves like the M411

Resideo ZD16X20TZ Damper 326010-701 This model features a criticalThe Resideo ZD16X20TZ is a heavy duty rectangular zone damper engineered for professional HVAC applications requiring high reliability airflow management. Built with a solid extruded aluminum frame and parallel blades, this 16" W x 20" H unit is designed for use with TrueZONE systems and other 24VAC electronic panels. The integrated synchronous motor is mounted on the 20 inch side and operates in a power closed spring return open configuration,