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Dampers
This category includes Honeywell Round and Rectangular Dampers, Hart & Cooley Dampers, and EWC Dampers.
Honeywell Automatic Round Dampers (ARD)
Honeywell ARD power close-spring open round dampers are available in 5 inch to 18 inch diameters. …
Honeywell ZD Dampers
The ZD is a power close and spring open damper. It has a 24-volt motor used to control circulating air in heating, cooling and ventilating systems. It is used when a normally-open damper is required. The ZD is typically used with the TrueZONE systems and other electronic zoning systems. …
Honeywell Fresh Air Dampers
These fresh air dampers are used for fresh air intake for ventilation or for combustion makeup air. They feature a 24 Vac powered-open/spring-closed motor, adjustable damper position range stops, galvanized steel, and quiet operation. …
Honeywell Modulating Automatic Round Dampers (MARD)
Honeywell's Modulating Automatic Round Damper is a round damper with a 24-Vac, floating-control type modulating motor for bypass and zone damper control. It uses a 90 second open to closed motor and is available in a wide variety of sizes. …
Honeywell Retrofit Round Dampers (RRD)
The Retrofit Round Damper is easily inserted into rigid round ducts for retrofit zoning in forced air heating and cooling systems. It is available in four sizes to fit most rigid round branch ducts. The power open, power closed actuator draws 2.5 VA allowing multiple dampers per zone, but delivers high torque for reliable operation. …
Honeywell Static Pressure Regulating Dampers (SPRD)
Honeywell's Static Pressure Regulating Dampers are single-blade, steel barometric dampers used to bypass excess air when the majority of zone dampers are closed. They are recommended for low pressure systems with less than 0.5 in w.c. SPRDs feature adjustable arms and weight to control the amount of bypassed air, and availability in both round and rectangular/square sizes. …
Zoning Accessories
This category contains a variety of zoning damper accessories and zone control accessories. …
Hart & Cooley Dampers
This category contains Hart & Cooley Dampers that stop or regulate the flow of air inside a duct, chimney, VAV box, air handler, or other air handling equipment. …
Honeywell Round Commercial Dampers
This section contains Commercial Round Dampers used in conventional air handling systems to control airflow in a round duct. …
Honeywell Economizers
W7210A,D Solid State Economizer Logic Modules are used with solid state C7400A Enthalpy Sensors or C7660 Dry Bulb Temperature Sensors and Honeywell Series 72 actuators to proportion outdoor and return air dampers for economizer control in commercial HVAC. …
EWC Dampers
This category contains EWC Dampers and Accessories
More About Dampers
Dampers regulate room temperature and efficiently balance the supply of air coming from an HVAC unit by reducing the level of air flow or heat to unoccupied rooms. This supplies the home or building with more air flow to areas of greater need. Dampers are typically made of aluminum or galvanized steel and can be operated manually or by motor, depending on the application.
PexSupply.com offers a range of Honeywell, Hart & Cooley and EWC dampers, which are available in variety of models.
The automatic round damper is a single blade damper that uses a motor to control the volume of circulating air in heating, cooling and vent systems.
Fresh air round dampers feature a motorized single blade damper used for fresh air intake.
The modulating automatic round damper has a floating-control type modulating motor for bypass and zone damper control.
Retrofit round dampers fit into rigid round ducts for retrofit zoning in forced air and heating systems and allow multiple dampers to operate under a single zone.
Commercial round dampers are used in conventional air handling systems to control airflow in round ducts.
The Honeywell ZD damper is a power close and spring open damper. These dampers are available with square or rectangular parallel blades. Its 24 volt motor controls the air circulating in HVAC systems and is commonly used when a normally-open damper is required.
Static pressure single blade regulating dampers are available in round or rectangular models. They are often used in low pressure systems to bypass excess air when the majority of zone dampers are closed.
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