Gas Pressure Regulator NAT 3/4" for VULCAN HART 408279-1 NAT GAS, 3/4" FPT GAS IN/OUT, 3"- 6" WC, 1/2 PSI,250,000 BTU, RV48L-66-0001 PRESET TO 3.5,SERIES: 900, 999, 1000 100% Quality Assurance: Well-designed, well-crafted. This is the manufacturer's replacement and is functionally equivalent to the previous part Made of durable high quality materials, Compact and sturdy, built to last Easy to install, saving time and money,Super durable Please confirm that the model you need to buy matches our model before ordering After-sale guarantee: what we have been pursuing is customer satisfaction. If you are not satisfied with the product, please contact us! We will show you our sincere attitude and satisfactory solution