Can this be controlled from a switch to varying angles? Or is it just 'on' or 'off'?

No because the spring will revert it back to open position as soon as you shut off power to the motor. In order to do what you want you will need to get a motorized unit powered to to open n close unit without a spring return option.

Can i hardwire this to a timer to close and open at set times?

I would imagine that it would work only if the timer can pass the required voltage to turn the motors (24V).

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Description

🌬️ Control your air, command your comfort — don’t let your space settle for less!

SEAMLESS SYSTEM SYNC - Plug-and-play with existing zone controls or run independently with included UL-listed transformer.
TRUSTED HVAC INNOVATION - Backed by over 30 years of reliability and a 3-year warranty—engineered for professionals who demand the best.
EFFORTLESS POWER CONTROL - Normally open design ensures fail-safe airflow, closing only when powered at 24V for smart energy savings.
PRECISION AIRFLOW MASTERY - Fine-tune your indoor climate with exact 8-inch airflow control for ultimate comfort and efficiency.
DURABILITY MEETS SIMPLICITY - Two-wire installation and free-wheeling motor coupling extend motor life and reduce maintenance.

The Suncourt ZoneMaster 8-Inch Motorized Damper offers precision airflow control with a patented adjustable coupler, operating on a reliable 24V power close/spring open mechanism. Designed for seamless integration with HVAC zoning systems, it includes a UL-listed transformer and features easy two-wire installation. Built for durability and backed by a 3-year warranty, this damper enhances indoor air quality, comfort, and energy efficiency in professional-grade HVAC applications.

Specifications

Brand	Suncourt
Color	Silver
Electric fan design	Blower
Power Source	['24 volts AC']
Style	Modern
Product Dimensions	8"D x 8"W x 8"H
Special Feature	Adjustable, Automated Control
Recommended Uses For Product	Zone Control or Fresh Air Intake
Wattage	6 watts
Finish Type	Metallic
Voltage	24 Volts (AC)
Switch Type	Transformer Switch
Included Components	24VAC/20 VA plug-in Transformer
Indoor/Outdoor Usage	Indoor
Model Name	ZONEMASTER
Control Method	Touch
Reusability	Reusable
Efficiency	High Efficiency
Is Cordless?	No
Number of Power Levels	1
Manufacturer	Suncourt
UPC	066028022165
Size	8"
Part Number	ZO208
Item Weight	4.99 pounds
Item model number	ZO208
Is Discontinued By Manufacturer	No
Finish	Metallic
Item Package Quantity	1
Special Features	Adjustable, Automated Control
Batteries Included?	No
Batteries Required?	No

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