Maxitrol RV91-2 1/2 Gas Pressure Regulator 2-1/2" NPT 7,500,000 BTU

The Maxitrol RV91-2 1/2 is a professional-grade gas pressure regulator featuring a 2-1/2" NPT connection, designed for high-capacity commercial and industrial gas-fired appliances up to 7,500,000 BTU. This straight-thru-flow (STF) design regulator utilizes Maxitrol's patented conical valve technology, allowing gas to flow through without changing direction, reducing frictional resistance and delivering superior capacity at low inlet pressures.

Key Features:

• 2-1/2" NPT threaded connections for secure installation
• Maximum inlet pressure: 1 PSIG (CSA certified for 1/2 PSI)
• Standard outlet pressure range: 3-6" water column (WC)
• Includes R9110 spring for 3-6" WC outlet adjustment
• Capacity: Up to 7,500,000 BTU or 7,500 CFH
• Operating temperature range: -40°F to 205°F
• Durable aluminum body construction
• Minimum regulation: 50 CFH

Specifications:

• CSA design certified to ANSI Z21.18/CSA 6.3 standards
• Non-lockup type, main burner regulator
• Suitable for natural gas, LP propane, manufactured gases, and LP gas-air mixtures
• Recommended mounting position: Horizontal/upright position
• Made in USA

This regulator is designed for main burner applications only and should not be used as a line gas pressure regulator ahead of low-pressure controls. Professional installation by a licensed gas fitter is required. Note: Vent protector (part #13A30-50) sold separately.