These have a transformer built into them? 24 vac supplies to control panel so I don’t need a separate transformer for these?

You will need to provide a 24V power source or transformer for these dampers. If you are not familiar or about transformers we suggest you purchase a wall plugin 110/120V primary model a 2and a 24VAC secondary. There are many available at reasonable prices. If you are using a zone controller or thermostat to control the damper they will typically provide 24V power to the damper.

Will this operate on 24vdc as well as 24vac?

Yes. This damper is compatible with 24VAC and 24VDC power inputs.

Is this damper for indoor use only?

The damper itself (without the motor) can stand up to outdoor exposure, but the motor is designed for indoor use only. The damper and motor assembly can be used in any enclosed dry spaces such as attics, basements, underside of pier and beam homes.

can it stay partially open or only open or closed?

The damper motor can modulate between full open and full closed but you need a controller to do that. When you apply 24 VAC to the open terminals on the damper motor it will drive open until you stop applying 24 VAC and that can be anywhere in the range of full closed to full open. The same applies to the drive close so you need a controller that can modulate the control voltage.

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Zone Damper 6" Round Professional-Grade (HVAC Zoning) - Preminum replacement for Honeywell, EWC, Durozone, more (06)

Zone Damper 6" Round Professional-Grade (HVAC Zoning) - Preminum replacement for Honeywell, EWC, Durozone, more (06)

Product ID: 356735538

🔒Full-seal ultra-low leakage

⚙️18 in-lbs torque motor

🇺🇸Made in USA, 5-year warranty

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Description

🔧 Master your airflow with pro-grade precision!

ULTRA LOW LEAKAGE SEAL - Full-seal gasket blade ensures maximum energy efficiency and comfort
EFFORTLESS INSTALLATION - Ribbed design and crimped end for quick, secure duct attachment
COMMERCIAL GRADE DURABILITY - Built tough for professional HVAC zoning needs
PRECISION POWER OPEN CLOSE - Reliable 24VAC Belimo motor with 18 in-lbs torque for flawless airflow control
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly made in the USA with a 5-year replacement warranty for peace of mind

The Zone Damper 6" Round Professional-Grade is a heavy-duty HVAC zoning solution featuring a high-torque Belimo motor, full-seal blade for minimal leakage, and commercial-quality construction. Made in the USA, it offers reliable power open/close operation at 24VAC and comes with a 5-year replacement warranty, ensuring top-tier performance and durability for professional and residential HVAC systems.

Specifications

ASIN	B01DOB7OIC
ASIN	B01DOB7OIC
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#235,846 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #38 in HVAC Controls
Date First Available	27 February 2018
Date First Available	27 February 2018
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	1.43 Kilograms
Item model number	DSUP
Item model number	DSUP
Manufacturer	SmartZone
Manufacturer	SmartZone
Package Dimensions	30.23 x 25.4 x 21.59 cm; 1.43 kg
Package Dimensions	30.23 x 25.4 x 21.59 cm; 1.43 kg
Part number	DSUP10
Pattern	Power Open - Power Close
Shape	Round
Size	06
Voltage	24 Volts

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R4733

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