Futera III
As part of the Futera line – RBI's flagship series of boilers and hot water heaters that offer the most versatile, durable and energy efficient units across both near and full condensing offerings – the gas-fired Futera III features full modulation with 4:1 turndown while supplying the precise amount of heat necessary to maintain desired building temperature by matching heating demand without overfiring or wasting energy.
These dependable, easy-to-service boilers feature rugged construction and sleek, stainless steel jacket design. With models ranging from 500-1999 MBH, all Futera III units come equipped with HeatNet 3.0 boiler control software, ensuring the highest operating efficiencies of any domestic boiler and hydronic heating system on the market.

500-1,999 MBH
4:1 Modulation

- AHRI Certified Efficiency 85.6%
- 500-1,999 MBH
- Copper Heat Exchanger
- Full Modulation with 4:1 Turndown
- Cast Iron Headers (Boilers)
- Bronze Headers (Water Heaters)
- HeatNet 3.0 Integrated Boiler Management System
- Symmetrically Air/Fueled Coupled
- Gasketless Heat Exchanger Assembly
- Modbus Protocol for BMS Communications
- Stainless Steel Jacket Panels
Input | Boiler | Output | Unit | Depth | Unit | Width | Unit | Height | ||
---|---|---|---|---|---|---|---|---|---|---|
Module | MBH | kW | MBH | kW | In. | mm | In. | mm | In. | mm |
MB/MW 500 | 500 | 147 | 428 | 125 | 39 | 991 | 25-1/8 | 638 | 48-1/2 | 1231 |
MB/MW 750 | 750 | 220 | 641 | 188 | 39 | 991 | 25-1/8 | 638 | 55 | 1397 |
MB/MW 1000 | 1000 | 293 | 853 | 250 | 39 | 991 | 25-1/8 | 638 | 61-1/2 | 1562 |
MB/MW 1250 | 1250 | 366 | 1066 | 312 | 44 | 1118 | 29-1/8 | 740 | 55-1/2 | 1409 |
MB/MW 1500 | 1500 | 440 | 1278 | 374 | 46-13/16 | 1189 | 29-1/8 | 740 | 60 | 1524 |
MB/MW 1750 | 1750 | 513 | 1491 | 437 | 47-3/16 | 1199 | 29-1/8 | 740 | 64-1/2 | 1938 |
MB/MW 2000 | 2000 | 586 | 1704 | 499 | 47-3/16 | 1199 | 29-1/8 | 740 | 69 | 1752 |
Flue Vent* | Air Intake | Connections | Shipping | Weight | ||||
---|---|---|---|---|---|---|---|---|
Module | Cat I Negative | Cat II Negative | Cat IV Positive | Gas In. | Water In. | Lbs | Kg | |
MB/MW 500 | N/A | 6" | 5" | 8" | 1" | 2" | 600 | 272 |
MB/MW 750 | 8" | 6" | 5" | 8" | 1" | 2" | 695 | 315 |
MB/MW 1000 | 9" | 7" | 6" | 8" | 1" | 2" | 735 | 333 |
MB/MW 1250 | 10" | 8" | 6" | 10" | 1-1/4" | 2-1/2" | 850 | 386 |
MB/MW 1500 | 10" | 8" | 8" | 10" | 1-1/4" | 2-1/2" | 927 | 421 |
MB/MW 1750 | 12" | 10" | 10" | 12" | 1-1/2" | 2-1/2" | 928 | 421 |
MB/MW 2000 | 12" | 10" | 10" | 12" | 1-1/2" | 2-1/2" | 1100 | 499 |
Note: Certified South Coast Air Quality Management (SCAQMD) Protocol Rule 1146.2; Ventura County APCD 74.11.1
* Rating reflect boilers only. For boiler efficiency information please visit www.ahridirectory.org
500
Submittal
- Futera Fusion 500 Plan View Drawing_2.dwg
- Futera Fusion 500 Plan View Drawing_2.pdf
- Futera II 500 Interactive Submittal Data Sheet (SFTII-500-8)_1.pdf
- Futera II 500 Plan View Drawing.dwg
- Futera II 500 Plan View Drawing.pdf
- Futera III 500 Plan View Drawing_1.dwg
- Futera III 500 Plan View Drawing_1.pdf
- IE2 500 Plan View Drawing.dwg
- IE2 500 Plan View Drawing.pdf
750
Submittal
- Dominator 750 Plan View Drawing (RSUB-30.E).dwg
- Dominator 750 Plan View Drawing (RSUB-30.E).pdf
- Futera Fusion 750 Plan View Drawing_2.dwg
- Futera Fusion 750 Plan View Drawing_2.pdf
- Futera II 750 Plan View Drawing.dwg
- Futera II 750 Plan View Drawing.pdf
- Futera III 750 Plan View Drawing_1.dwg
- Futera III 750 Plan View Drawing_1.pdf
- IE2 750 Plan View Drawing.dwg
- IE2 750 Plan View Drawing.pdf
- LCD 750 Plan View Drawing (RSUB-17.F).dwg
- LCD 750 Plan View Drawing (RSUB-17.F).pdf
1000
Submittal
- FlexCore Firetube 1000 Plan View Drawing.dwg
- FlexCore Firetube 1000 Plan View Drawing.pdf
- Futera Fusion 1000 Plan View Drawing_2.dwg
- Futera Fusion 1000 Plan View Drawing_2.pdf
- Futera II 1000 Plan View Drawing.dwg
- Futera II 1000 Plan View Drawing.pdf
- Futera III 1000 Plan View Drawing_1.dwg
- Futera III 1000 Plan View Drawing_1.pdf
- IE2 1000 Plan View Drawing.dwg
- IE2 1000 Plan View Drawing.pdf
1250
Submittal
- Futera Fusion 1250 Plan View Drawing_2.dwg
- Futera Fusion 1250 Plan View Drawing_2.pdf
- Futera II 1250 Plan View Drawing.dwg
- Futera II 1250 Plan View Drawing.pdf
- Futera III 1250 Plan View Drawing_1.dwg
- Futera III 1250 Plan View Drawing_1.pdf
- Torus 1250 Dual Fuel Plan View Drawing (RSUB-311.B).dwg
- Torus 1250 Dual Fuel Plan View Drawing (RSUB-311.B).pdf
- Torus 1250 Plan View Drawing (RSUB-301.B).dwg
- Torus 1250 Plan View Drawing (RSUB-301.B).pdf
- Torus 1250 Vertical Plan View Drawing (RSUB-306.B).dwg
- Torus 1250 Vertical Plan View Drawing (RSUB-306.B).pdf
1500
Submittal
- Dominator 1500 Plan View Drawing (RSUB-34.G).dwg
- Dominator 1500 Plan View Drawing (RSUB-34.G).pdf
- FlexCore Firetube 1500 Plan View Drawing.dwg
- FlexCore Firetube 1500 Plan View Drawing.pdf
- Futera Fusion 1500 Plan View Drawing_2.dwg
- Futera Fusion 1500 Plan View Drawing_2.pdf
- Futera II 1500 Plan View Drawing.dwg
- Futera II 1500 Plan View Drawing.pdf
- Futera III 1500 Plan View Drawing_1.dwg
- Futera III 1500 Plan View Drawing_1.pdf
- Torus 1500 Dual Fuel Plan View Drawing (RSUB-312.B).dwg
- Torus 1500 Dual Fuel Plan View Drawing (RSUB-312.B).pdf
- Torus 1500 Plan View Drawing (RSUB-302.B).dwg
- Torus 1500 Plan View Drawing (RSUB-302.B).pdf
- Torus 1500 Vertical Plan View Drawing (RSUB-307.B).dwg
- Torus 1500 Vertical Plan View Drawing (RSUB-307.B).pdf
2000
Submittal
- FlexCore Firetube 2000 Plan View Drawing.dwg
- FlexCore Firetube 2000 Plan View Drawing.pdf
- Futera Fusion 2000 Plan View Drawing.dwg
- Futera Fusion 2000 Plan View Drawing.pdf
- Futera III 2000 Plan View Drawing_1.dwg
- Futera III 2000 Plan View Drawing_1.pdf
- Torus 2000 Dual Fuel Plan View Drawing (RSUB-313.B).dwg
- Torus 2000 Dual Fuel Plan View Drawing (RSUB-313.B).pdf
- Torus 2000 Plan View Drawing (RSUB-303.B).dwg
- Torus 2000 Plan View Drawing (RSUB-303.B).pdf
- Torus 2000 Vertical Plan View Drawing (RSUB-308.B).dwg
- Torus 2000 Vertical Plan View Drawing (RSUB-308.B).pdf