Specs and Docs


Commercial Boiler and Volume Water Heater

With field proven reliability and intuitive touchscreen controls, the Pennant line of fan-assisted, modular boilers and water heaters ranks among the industry’s most versatile and environmentally friendly commercial systems for hydronic and hot water applications. Available in 7 sizes, from 500 to 2000 MBH, Pennant boilers and water heaters run reliably on natural or LP gas and deliver efficiency levels up to 85%. All Pennant models are now standard with the Laars Linc Control System.

Pennant boilers and water heaters feature convenient, modular construction that separates the burner trays, gas train, and blower assembly. 

Built-In Versatility

  • Laars Linc Intuitive Touchscreen Control System
  • 85% Thermal Efficiency
  • 500 to 2,000 MBH
  • Stage Firing: Up to 4:1
  • Cascade with Auto Redundancy
  • Industry Leading Low NOx, 10 ppm
  • Vent from Top or Back
  • Indoor/Outdoor Construction