Maxitrol 1-1/2" Certified Line Regulator 325-7AL 1 1/2", Up To 1.250,000 BTU325 Series Pounds To Inches Regulators Are For Use On Residential, Commercial And Industrial Applications. The 325 Series Features A High Leverage Valve Linkage Assembly To Deliver Positive Dead-End Lock-Up. The Regulators Are Capable To Precise Regulating Control From Full Flow Down To Pilot Flow. Suitable For Natural, Manufactured, Mixed Gases, Liquefied Petroleum Gases, And LP Gas-Air Mixtures. To maintain certification, nothing should be changed on the regulator, which includes changing the spring or removing or adding a vent limiting device. If a regulator is modified, the yellow should be removed from the regulator. Note for customers that if they change the spring on an L series regulator it is no longer considered certified. Made in the USA. Product Specifications BRANDMaxitrol WIDTH INCHES8 HEIGHT INCHES7-1/4 PIPE SIZE INCHES1-1/2 WEIGHT LBS3.6 COLORSilver BTU1250000 MAX INLET PRESSURE (PSI)2 OUTLET PRESSURE IN W.C. INCHES7 - 11 CAPACITY CUBIC FEET PER HOUR1250 LISTING, RATING, CERTIFICATIONcCSAus LIMITED WARRANTY YEARS1 MANUFACTURER'S PART NUMBER325-7AL 1 1/2