Designed with a NEMA 48 frame and Totally Enclosed Air-Over (TEAO) enclosure

When you are performing a field compressor swap or handling a mid-season system evacuation

preventing heat exchanger overheating and potential equipment damage

This Apollo 10-300 series valve is the industry standard for HVAC boiler safety valves

electric heat elements

Siemens Building Technology 540-652A Sensor 320720-756 Designed with a NEMA 48Upgrading or maintaining Siemens field panels requires precise sensing hardware. The Siemens 540 652A Room Temperature Sensor is a high performance interactive device designed specifically for Terminal Equipment Controller (TEC) applications. As a veteran in the field, you know that accurate site data is critical; this unit utilizes a highly responsive 10K ohm NTC thermistor to provide stable room temperature monitoring across a range of 55F to 95F