Marshall Excelsior MEGR-1232-BBF is an Excela-Flo Integral 2-Stage Regulator with 1/4 x 1/2 inch dimension.


Marshall Excelsior two-stage regulators are compact in design which is perfect for lower BTU applications and confined spaces.  Integral components are made of stainless steel, fluorocarbon (FKM) seat discs, and molded lip fabric reinforced diaphragms.  Its aluminum orifices provide superior downstream regulation and maximum corrosion resistance against weather or contaminated gas. These regulators feature an adjustment range from 9-13” WC and factory set @ 11” WC).


These integral two-stage regulators combine the first and second stage regulators set-up into one convenient unit converting tank pressure to 11” WC. All MEC integral two-stage domestic regulators are gray indicating low outlet pressure. Integral two-stage regulators are recommended for installations with short piping distances, but provide the same advantages of two-stage regulaƟ on with a single unit. All MEC integral two-stage regulator vent have tapped ports (7/16 -24-First Stage) (3/8” FNPT - Second Stage) and our exclusive E-Z Grip screens located over the outlet. The MEGR-1232 series offers optimal relief performance that well exceeds UL test requirements providing overpressure protection of no more than 2 PSI downstream pressure. MEC Excela-Flo integral two-stage domestic regulators feature a 25 year recommended replacement life, our exclusive Tri-TapTM (tank, 10 PSI, 11” WC) pressure port system and our exclusive 3-part tear away leak check the adhesive sticker.