Manufacturer Name: Johnson Controls Product Number: EP-8000-4 OEM Part Number: EP-8000-4 Product Description: E-P Transducer,4-20Ma,Hi Volum Weight:0.48lbs/217.72g The Johnson Controls EP-8000-4 Electro-Pneumatic Transducer is a multipurpose device for accurate control of air pressure in HVAC systems and Nonetheless, this compact device consumes only 4.5 VA of electricity. https://www.partshnc.com/e-p-transducer4-20mahi-volum