The new 325-9L certified line pressure regulator for two psi systems has a capacity of 2.25 MBtuh. This is the highest capacity certified line regulator Maxitrol offers. The 325-9L is Canadian Standards Association (CSA)-certified and was designed for use on high-capacity applications such as larger pool heaters, generator sets, and commercial boilers. The 325-9L is also certified for use with VLimiter 12A49 for indoor applications and is available in 1.5- and 2-inch pipe sizes. For five psi systems, the new 325-9L210E regulator with OPD also offers a capacity of 2.25 MBtuh.