Tru-Flow Fuel/Air Coupling

Increase efficiency without compromise.

Responsive and completely adaptable, Tru-Flow' Fuel/Air Coupling is a unique boiler control system developed to keep KN Series cast iron boilers running cleanly and efficiently. By constantly monitoring and regulating the flow of both fuel and air, Tru-Flow can achieve an optimal 1:1 fuel mixture and is capable of automatic adjustments if the flow is compromised, ensuring continuous, safe and reliable operations.

Working in conjunction with integrated HeatNet 3.0 boiler management system controls, Tru-Flow helps match load conditions with boiler output for optimal energy efficiency.

  • Full 5:1 burner modulation
  • Burner efficiencies up to 99%