Marshall Excelsior Twin Stage Regulators – Straight Vent

The Marshall-Excelsior Twin-Stage Regulator combines first-stage and second-stage pressure reduction into one compact unit. It safely reduces high propane tank pressure to a consistent low outlet pressure of about 11″ water column, making it perfect for residential, RV, and light commercial propane systems.

Key Features

• Two-stage regulation for stable, reliable outlet pressure.

• Maintains consistent pressure at approximately 11″ WC (≈0.5 PSI).

• Total capacity up to 175,000 BTU.

• Maximum inlet pressure of 250 PSI.

• Inlet connection: ¼″ FNPT.

• Outlet connection: ⅜″ FNPT.

• Built-in internal relief valve for added safety.

• Fabric-reinforced diaphragm with O-ring seal for durability.

• Die-cast zinc body with treated exterior finish for long service life.

• Equipped with pressure taps for easy system checks.

• Compact design for quick installation in tight spaces.

Specifications

Applications

• Residential propane systems

• RV and camper propane setups

• Small cabins and cottages

• Outdoor appliances needing steady low pressure

Why Choose Marshall-Excelsior Twin-Stage Regulators

This regulator simplifies your propane system by combining two stages into one durable, compact unit. It delivers consistent low pressure, high safety, and easy installation — making it a trusted choice for dependable propane service.