The Vulcan Hart 00-417144-00001 NAT Gas Pressure Regulator provides steady and controlled gas pressure to help ensure safe and consistent performance of natural gas equipment. Designed for systems requiring a 3.5" WC output, it features an adjustable range from 3" to 7" WC and can be used in LP-to-natural-gas conversion setups. This regulator functions by reducing incoming gas pressur... https://www.partsfe.co.uk/vulcan-hart-00-417144-00001-nat-gas-pressure-regulator