Delivering approximately 880,000 BTU/hr of net heating output from a 1,045,000 BTU/hr input rating, the Raypak 014373 MVB® P-1104A is engineered for large-scale commercial pools and spas requiring compact, high-capacity performance.

Durability and Combustion Efficiency

This unit features a cupro-nickel fin-tube heat exchanger paired with heavy-duty bronze headers to withstand harsh water chemistry and extend service life. The fan-assisted combustion system operates under Low NOx standards, ensuring reliable performance in demanding environments while adhering to environmental regulations. Thermal efficiency reaches up to 85% during operation.

Key Specifications

• Fuel Type: Natural Gas (Standard external H-Bypass included)
• Heat Exchanger Material: Cupro-Nickel Fin Tubes with Bronze Headers
• Water Connection: 2-1/2" NPT
• Gas Connection: 1-1/4" NPT
• Flue Diameter: 10 Inches
• Operating Elevation: 0–4,500 ft
• Approximate Footprint: 5.4 Sq. Ft.

Installation and Compatibility

The vertical design minimizes equipment-room real estate needs, supporting applications in hotels, schools, health clubs, and municipal facilities. Rated for both indoor and outdoor installation when proper venting and clearance requirements are met. This specific model (Part 014373) uses a natural gas configuration; propane options require different manufacturer part numbers.

Professional commercial installation is mandatory. Site-specific verification of gas pressure, electrical supply (120VAC, 1-Phase), and water flow requirements is essential before ordering to ensure compatibility with existing infrastructure.

Warranty coverage typically includes one-year parts and labor plus five-year heat exchanger protection, subject to current Raypak commercial terms and verified proof of purchase and installation documentation.