About Seller: National Energy Control Corporation (NECC) is a leading authorized factory distributor of commercial HVAC parts, specializing in Automatic Temperature Controls and Building Automation System (BAS) supplies. With an extensive inventory of over 200,000 HVAC parts, NECC has the capability to ship globally on the same day. Our factory-trained market specialists are highly experienced in assisting customers with selecting new or replacement parts. NECC is the largest supplier of pneumatic controls in the USA. Our website, NECC-controls.com, features the largest and most user-friendly searchable database in the HVAC industry, listing over 200,000 parts. NECC offers a wide range of products including building automation accessories, thermostats, pumps, relays, transducers, thermometers, gauges, timers, control valves, VAV controls, steam traps, heat exchangers, pressure switches, combustion controls, flow switches, gas detectors, alarms, fittings, smoke detectors, condensate pumps, and energy management controllers. Specializing in control valves, actuators, thermostats, HVAC controllers, pneumatic fittings, and pressure gauges, NECC also provides VAV controls, pumps, relays, transducers, automatic temperature control (ATC) compressors, sensors, dampers, test instruments, calibration kits, HVAC control cabinets and enclosures, transformers, variable frequency drives, zoo fans, condensate drains, thermostat guards, and many other HVAC parts and accessories.