HSRL Series second-stage regulator is an Underwriters Laboratories (UL) listed regulator designed for two-stage LP-Gas systems. With a capacity of up to 2 600 000 BTU/hr / 29,27 SCMH, the HSRL Series is ideal for use in commercial applications. The unit is designed to reduce the outlet pressure from a first-stage regulator (usually 10 psig to 11-inches w.c. / 0,69 bar to 27 mbar). Screened drip-lip vents oriented over the inlet are standard.