Round Inlet/Round Outlet (VRRF) units are designed to improve energy efficiency and reduce overall operating costs in existing systems. VRRF units are also applied in non-retrofit or new …

Trane® offers Round In/Round Out, Single Duct and Dual Duct terminal units to meet your building's specific needs. Trane® offers an array of space and energy-saving fan-powered options to suit the space that needs optimal heating and cooling. Still not sure which system is …

Model XG-TH-500 is the simplest and most widely used variable air volume (VAV) terminal unit. Its primary function regulates airflow to an occupied space. Capacities ranging from 80-7,270 cfm in 10 sizes. Pneumatic or direct digital controls available. Hot water or electric heat available for reheat applications. Product Features:

Daikin’s single duct VAV boxes, from 80 to 8000 CFM, provide high performance and set the standard in the industry for construction, performance, and quality.

Maximize airflow management with Prolon's round VAV boxes. Ensure efficient ventilation and comfort in your building spaces.

The Round-in/Round-out VAV unit (VRRF) is a retrofit product designed to simplify upgrading of an existing old-style VariTrane™ units to DDC.

Young Regulator 4075-IF VAV Modulating Damper with Thermostat Interface. Factory installed Temp Changeover Sensor. Belimo 24V Actuator. 6"-20" Duct

Mar 10, 2022 · Learn how a Variable Air Volume System and VAV box's works including VAV Zoning, Static Pressure Sensor use and location for VFD control.

Buy Prolon PL-AV08-FSD at Cochrane Supply, proudly named one of the nation's Top 50 HVACR Distributors. Easy ordering. Fast shipping or in-store pickup.

Air Valve Round—The primary (ventilation) air inlet connection is an 18-gauge galvanized steel cylinder sized to fit standard round duct. A multiple-point, averaging flow sensing ring is provided with balancing taps for measuring +/-5% of unit cataloged airflow.