High-Efficiency
FT Series - Commercial
The FT Series commercial units are versitile boilers that can be wall-hung or easily converted to a floor boiler with the optional stand.
Find a Distributor
Floor or Wall - One Boiler Does It All!
HIGH PERFORMANCE HEATING
Robust 316L stainless steel firetube heat exchanger10:1 turndown (399 MBH) and seven 5:1 (301 MBH)
95%+ thermal efficiency
Low NOx emissions
Two independent heating curves
FLEXIBLE SYSTEM INTEGRATION
Cascade up to 4 boilersHigh and low temperature zone control
DHW Smart Priority™
Able to control boiler, DHW and zone pumps
VERSATILE INSTALLATION OPTIONS
301 or 399 MBH
Category II or IV venting
Top and bottom water and gas connections
Horizontal or vertical direct vent
Vent and air pipe lengths up to 150 equivalent feet (each)
PVC, CPVC, CC, or PP venting materials
Optional floor stand kit available
Includes propane conversion kit
Floor Stand Option
- Allows boiler to be floor mounted
- Heavy duty steel construction
- Easy field assembly
- Top & Bottom boiler connection access
- Access panels for easy piping
Two ways to order:
- Order as a bundle that includes the boiler and floor stand kit
- Order the stand separately
Optional Floor Stand
FT Series - Commercial Details
| Doc No | Rev | Category | Description | View | |||
|---|---|---|---|---|---|---|---|
| Block Drawings | Block Drawings | ||||||
| 10088 | 2D / 3D CAD Files | FT Series Commercial Wall Hung Boiler | View Files | ||||
| Brochures | Brochures | ||||||
| 1537 | A | Brochures, Sales Literature | FT Series - Commercial Brochure | Download | |||
| 1537_FR | A | Brochures, Sales Literature, French Documents | French Brochure | Download | |||
| Install and Operating Manuals | Install and Operating Manuals | ||||||
| 1538 | D | Manuals | Installation and Operating Manual | Download | |||
| 1538_FR | D | French Documents | French, Installation & Operating | Download | |||
| 1548 | Manuals | Cascading Instructions | Download | ||||
| Kit Instructions | Kit Instructions | ||||||
| 1556 | A | Submittal Documents | Vent Kit Submittal Data | Download | |||
| Master Formats | Master Formats | ||||||
| 5094-33 | Master Format Documents | Specification Master Format | Download | ||||
| Specification Sheets | Specification Sheets | ||||||
| 5084-112 | Specification Sheets | FT Series Boiler LFTHW Indoor Models 301 / 399 Specification Sheet | View Files | ||||
| Submittal Data | Submittal Data | ||||||
| 1540 | B | Submittal Documents | FT Series - Commercial Submittal Data | Download | |||
| 1540_FR | B | French Documents, Submittal Documents | French Submittal Data | Download | |||
| 1556 | A | Submittal Documents | Vent Kit Submittal Data | Download | |||
| 7047 | - | Submittal Documents for Accessories and Controls | Gateway for Integrated Control System | Download | |||
| Users Manuals | Users Manuals | ||||||
| 1539 | Manuals | FT Series - Commercial Boiler Users Manual | Download | ||||
| 1539_FR | - | French Documents, Manuals | French, Users Manual | Download | |||
| Warranty | Warranty | ||||||
| 8058 | E | Warranty | Warranty for FT Series Condensing Gas Boilers / Combi Boilers | Download | |||
Heating System Failure Leads to Replacement at Rochester, NH Assisted Living Facility
The boiler at Desiree’s Place had experienced previous mechanical issues. Notably, it had broken down multiple times prior to February 2025,…
Wednesday, April 16, 2025
Related Products
NeoTherm® XTR
The all new Laars NeoTherm XTR boiler and volume water heater delivers powerful performance and rugged reliability.
MagnaTherm® FT
The MagnaTherm FT boiler has precision combustion control, Tru Trac® oxygen trim system, and Laars Linc® control.
MagnaTherm®
The MagnaTherm boiler or water heater, our premier condensing stainless commercial model, with Laars Linc® control technology and up to 96% efficiency.