Aspen Firetube 330,000 BTU High Efficiency Light Commercial Condensing Gas Fired Boiler

The Aspen line now includes larger sizes so you can have a light commercial boiler with a reliable, field-proven, stainless steel firetube heat exchanger. With the 399 model so you can efficiently heat larger applications. Impressively, this boiler can be wall or floor mounted due to a pre-installed wall bracket and adjustable feet. Also unique to this boiler is the ability to swap the touch screen display and boiler logo badge for optimal ergonomics! Features: Up to 95% Thermal efficiency with 10:1 turndown High efficiency and low emissions! Field-proven, stainless steel fire tube heat exchanger with low pressure drop Advanced Sage2.3 boiler control provides "out-of-the-box" high performance and easy setup Touch screen display simplifies installation, operation, and diagnostics Easily connects to optional Sage Zone Controls for additional energy savings, system optimization, and “short cycle” prevention Configured for lead/lag operation High altitude - zero or minimal de-rating reduces the costs of oversizing, field adjustable Low NOx Universal vent connection for CPVC/PVC, polypropylene, and stainless steel flex Split-voltage junction box, fused easy-connect terminals Outdoor reset and sensor