Marshall Excelsior Twin Stage Regulators – 90° Vent

The MEGR-298 twin-stage regulator combines both first- and second-stage pressure reduction in a single, durable unit. Designed for residential and commercial propane systems, it safely lowers high tank pressures to a stable, low outlet pressure (~11″ water column) for reliable appliance operation.

Key Features

• Two-stage regulation provides steady, reliable outlet pressure

• Maintains outlet pressure of ≈ 11″ WC (~0.5 PSI) under full load

• Total capacity: 175,000 BTU/hr

• Maximum inlet pressure: 250 PSI

• Inlet connection: ¼″ FNPT

• Outlet connection: ⅜″ FNPT

• Built-in internal spring-loaded relief valve for safety

• Fabric-reinforced diaphragm with O-ring bonnet/body seal for durability

• Die-cast zinc body with raw zinc finish for corrosion resistance

• 90° vent configuration (vent exit angled)

• High and low pressure tap ports: ⅛″ FNPT (plugged)

• Mounting holes spaced 3-½″ on center

Specifications

Applications

• Residential propane systems

• Outdoor cooking appliances, barbeques, & grills

• Portable or fixed installations needing consistent low-pressure regulation

• Light commercial uses where reliable propane delivery is needed

Why Choose MEGR-298

The MEGR-298 delivers reliable, low pressure propane regulation in a rugged, compact design. With its high capacity, safety features (including internal relief and pressure taps), and UL / NFPA / RVIA listing, it offers excellent performance and peace of mind in both residential and commercial propane applications.