Flo-Direct® Gas Fired Water Heaters

High-Efficiency Water Heaters for Sustainable Operations

When efficiency and reliability matter, Flo-Direct® delivers. With 99.7% thermal efficiency, a compact stainless steel design, and simple operation, Flo-Direct® is the ideal solution for large-scale hot water needs. It helps industrial manufacturers cut fuel costs by up to 60%, reduce emissions, and move closer to decarbonization goals—all while meeting global water quality standards.

Available in flexible configurations for natural gas, propane, or biogas, Flo-Direct® is built for performance that lasts.

Explore how Flo-Direct® can help you save energy costs.

When it comes to industrial hot water, performance and sustainability go hand in hand. Flo-Direct® offers a smarter way to heat water with maximum efficiency, minimal emissions, and unmatched reliability. Designed for demanding environments, it’s the go-to solution that helps you meet operational goals while driving down energy costs.

  • Slash energy costs with industry-leading 99.7% efficiency 
    Meet sustainability goals without sacrificing performance. With its patented multi-pass heat transfer design, Flo-Direct achieves 99.7% thermal efficiency, resulting in up to 60% fuel savings, lower CO₂ emissions, and a rapid ROI.  
  • Rugged Stainless Steel Design for Industrial Reliability
    Built with durable 304 stainless steel and supported by a 7-year structural warranty, Flo-Direct is ideal for harsh environments. Its dry combustion chamber ensures safe, complete combustion with no hot spots or heat loss, delivering consistent performance you can trust. 
  • Flexible Capacity and Fuel Options for Any Facility
    From 15 to 1,200 GPM and temperatures up to 185°F, Flo-Direct adapts to your operational needs. It integrates easily with natural gas, propane, or biogas and offers single-point control for one or multiple heaters—simplifying management across diverse applications. 
  • No Boiler Operator Required—Lower Costs and Simplify Compliance
    Flo-Direct’s atmospheric design eliminates the need for a licensed boiler operator, reducing labor expenses and cutting administrative overhead. This means fewer regulatory hurdles, less training, and streamlined operations—all while maintaining safety and meeting NSF-5, USFDA, and CSA standards. 
Flo-Direct Hot Water Heater
Flo-Direct Food & Beverage Case Study

International Foods Case Study

Learn how Flo-Direct® helped a food & beverage plant cut energy costs, eliminate boiler demand, and support sustainability goals—all with 99.7% efficient hot water.

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Flo-Direct Food & Beverage Case Study

Flo-Direct Product Guide

Learn more about Flo-Direct®—including applications, operating principles, sizing guidelines, technical specifications, and configuration options to help you choose the right solution for your facility.

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Discover how Flo-Direct hot water solutions can boost energy savings without compromising on hot water quality.