3' Complete Assembled Baseboard, Lo-Trim, 300 BTU

Argo Lo-Trim II Baseboard – 3 Ft. Hydronic Heating Element

The Argo 55LT27-3 Lo-Trim II Baseboard is a 3-foot hydronic heating unit designed for use in residential hot water systems. This low-profile baseboard features a steel enclosure with a white powder-coated finish, housing a copper tube with mechanically bonded aluminum fins. It is engineered for quiet operation, reliable heat output, and ease of integration into perimeter heating applications.

Product Construction

• Enclosure Material: Galvanized steel with white powder coat finish
• Heat Element: 3/4” CTS copper tube with aluminum fins
• Length: 36 inches (3 feet nominal)
• Mounting: Floor-mounted with wall brackets; suitable for surface perimeter runs
• Output: Rated at ~300 BTU/hr per foot @ 180°F average water temp

Performance Features

• Quiet Operation: Fin cradle and expansion design reduce operational noise
• Low-Profile Cabinet: Allows installation in confined areas without obstructing usable space
• Modular Compatibility: Matches with other Lo-Trim II components including corners, splice plates, and end caps
• Efficient Convection: Aluminum fin spacing maximizes heat transfer without the need for fans or blowers

Installation Guidelines

This unit is intended for professional installation. The baseboard should be mounted to finished walls and leveled for even flow through the copper element. All piping must conform to system design specifications for proper balancing and flow rate. Use of factory-supplied brackets and optional snap-on accessories is recommended for alignment and ease of assembly across longer runs.

Applications

• Residential hydronic perimeter heating
• Compatible with zone-valved or series-loop hot water systems
• Suitable for single-family homes, renovations, and room additions