Robertshaw ETC-211000-000 Electronic Temperature Controller

The Electronic Temperature Controller from Robertshaw, model ETC-211000-000, is a heavy-duty solution for commercial refrigeration and HVAC systems. Designed for reliability in challenging environments, this controller covers a temperature range from -30 to 220°F and supports 120/208/240 VAC with SPDT contacts. Its plastic enclosure carries a NEMA 1 and IP67 rating for versatile installation in cold rooms, walk-ins, and equipment bays.

With two-stage heating, automatic changeover, condenser fan cycling, and space and return air temperature control, it helps maintain precise temperatures and energy efficiency. It is suitable for water-cooled condensers and multiple compressor applications, and it includes alarm functionality plus UL/CSA approvals for US and Canada.

Features

• Heavy-duty Electronic Temperature Controller for commercial refrigeration and HVAC systems
• 2-stage heating with automatic changeover for precise control
• SPDT relay contacts rated for 120/208/240 VAC with built-in alarm function
• Rugged NEMA 1, IP67 plastic enclosure handles demanding environments
• UL and CSA approvals for US and Canada
• Compact sensor (0.25" dia x 1.94" L) with 8 ft cable for flexible mounting
• Wide operating range (-30 to 220°F) and adjustable differential (1–16°C); ambient humidity up to 95% RH non-condensing