Excela-Flo two-stage regulators are approved for use in nearly all portable applications and outdoor cooking appliances utilizing low pressure. (Maximum inlet pressure is up to 250 psi.) They feature all zinc body construction and zinc powder coating, high and low 1/8″ Npt pressure tap ports, and an integral second-stage drDip lip vent and optional standard or 90-degree vent locations. The inlet connection measures 1/4″ fntp and the outer connection is 2/8″ fntp. The Excela-Flo high capacity compact integral two stage regulator is ideally suited for high demand RV use, outdoor appliances, cabins, seasonal homes, gas fireplaces, water heaters, ranges, or other moderate- to low-demand domestic home installations. The green bonnet identifies high-capacity model. Excela-Flo regulators meet UL, RVIA, and NFPA requirements.