
Deliver superior space heating performance with the Lochinvar FTX400NM9 condensing fire-tube boiler, engineered for high-demand commercial environments. This compact FTX400NM9 unit provides a flexible input range of 40,000 to 399,900 BTU/HR, ensuring precise temperature regulation and energy savings for large-scale hydronic systems.
The boiler utilizes a high-grade stainless steel fire-tube heat exchanger to facilitate rapid heat transfer and long-term durability. Integrated with the SMART SYSTEM control interface, the unit supports advanced remote connectivity and diagnostic capabilities, allowing facility managers to optimize run-times and maintain consistent output.
Key System Performance Baselines:
- Thermal Efficiency: Achieves up to 98% efficiency to minimize natural gas consumption.
- Compact Design: Occupies a minimal 6.2 square foot footprint for flexible mechanical room placement.
- Precision Ignition: Employs direct spark ignition for reliable, high-efficiency system startups.
- Output Capacity: Delivers a consistent maximum output of 392,000 BTU/HR.
⚠️ Application Profile: Ideal for commercial hydronic heating systems, multi-family residential complexes, office building climate control, and institutional facility retrofits.
| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | FTX400NM9 |
| Fuel Type | Natural Gas |
| Thermal Efficiency | 98% |
| Maximum Input | 399,900 BTU/HR |
| Minimum Input | 40,000 BTU/HR |
| Heat Exchanger Material | Stainless Steel |
Corporate Procurement & PO Processing
Formal Purchase Orders (POs) and tax-exempt ordering are accepted for commercial contractors and institutional facilities.
Apply for Trade Account & Terms →📋 Procurement & Shipping Notice
- LTL Freight Dispatch: Heavy commercial units ship directly via insured LTL carrier with delivery coordination included.
- Project Timelines & Submittals: Need guaranteed delivery dates, formal submittals, or tax-exempt processing?
👉 Request a Commercial Quote or contact our procurement team for direct freight scheduling.