399MBTUH, 125psi, Cast Iron Glass-lined headers, Copper-finned tubes, Nat Gas, Cat 1 or Trueseal Direct Vent,
100 MBTUH - 399 MBTUH
84-85% Efficiency
Features:
• All models Indoor/Outdoor certified.
• Patented burner “security blanket” enhances staged combustion, minimizes installation/start-up issues, and protects burners from metal fatigue.
• Vertical vented as category I, sidewall vented as category III.
• 85% AFUE.
• 105ºF minimum inlet water temp.
• Copper finned tube heat exchanger with cast-iron headers; Optional brass headers available.
• • 2-Stage operation.
• Sidewall venting ready. No extractor needed for most applications.
• Ducted combustion air ready. TruSeal® CSA-Certified direct-vent available.
• Certified to SCAQMD Rule 1146.2; meets all NOx regulations.
• Electronic Controller with outdoor reset varies the setpoint as the air temperature changes.
• Available for natural gas or propane.
• Stainless steel pump with flanges included.
Reliable Performance
• Simple 2-stage firing for reliable heating
• Corrosion-resistant stainless-steel pump with flanges for enhanced operation and longer life
• Patented burner “security blanket” provides a streamlined air-gas pathway for complete sealed combustion
Venting Flexibility
• Direct vent capable and ducted combustion air ready
• Cat I vertical venting, Cat III sidewall venting (no extractor required for most applications) for easy installation
Installation Versatility
• Compact design perfect for small spaces (footprint is less than 6.9 ft2 for all models)
• Durable construction for flexible indoor/outdoor installation
• Available for natural gas or propane to meet your needs
Simple Controls
• Electronic controller with outdoor reset varies the setpoint as the air temperature changes to optimize performance
• Simple status display lights for easier monitoring and troubleshooting