Resideo - Honeywell Home ARD20TZ Automatic Round DamperResideo Honeywell Home ARD20TZ is a 24V Automatic Round Damper (Normally Open) with a 20" diameter designed for Truezone HVAC control. This damper enables precise airflow balancing across multiple zones, improving comfort and reducing energy consumption in residential systems. Engineered for standard HVAC control boards and Truezone zoning, it responds quickly to thermostat calls and modulates airflow where its needed most. The Normally Open

delivering a reliable 300°F temperature rating to shut down the furnace if flames extend beyond the combustion chamber

This single-speed unit provides clockwise rotation and uses a sleeve bearing for quiet

immediate indication of operating status to speed troubleshooting

The Gas/Electric Unit Condenser Fan Blade is designed for Heil Quaker/ICP systems

reduces spillage

engineered for precise flow control in HVAC

Water Heater Fan Control Gas Pressure Switch from Field Controls 46506800 is designed to safely regulate the fan operation in gas-fired water heaters

Key features of this valve body include a flare-type connection for secure sealing

It runs on a 120 Volt supply

Raypak 011720F is a plug-in relay designed for 24VAC control

The valve is designed for vertical/upright mounting and is intended for city gas applications

Type: Heat Block designed to regulate sensor temperature