The Nieco 2177 1/2" FPT Natural Gas Pressure Regulator provides reliable control of natural gas flow, ensuring consistent and safe pressure for appliances. It operates by automatically adjusting the downstream pressure to maintain a steady 4–8" WC range, protecting equipment from fluctuations and promoting efficient operation. Its straightforward design allows for easy installation an... https://partsfe.com/regulator-pressure-12-nat-for-nieco-part-2177