This is a Belimo B211+TR24-3/300 valve. It is designed for use in air handling units and can be applied in heating or cooling coils. This valve is suitable for fan coil units and various systems including unit ventilators, VAV box reheat coils, and bypass loops. The valve functions well in hydronic systems that have variable flow requirements.
Applications include: fan coil units, VAV reheat coils
Suitable for variable flow hydronic systems
Can handle chilled or hot water with up to 60% glycol