The Market Forge 09-1150 Pressure Regulator ensures stable and reliable natural gas flow by maintaining a consistent 4" WC output for safe equipment operation. Designed with a 1/2" FPT connection, it functions by reducing incoming gas pressure to a controlled level, helping protect appliances from fluctuations that can affect performance. Its internal regulating mechanism adjusts auto... https://partsfe.com/pressure-regulator12-nat-for-market-forge-part-09-1150