WB1501
RBI WATER HEATERS · Commercial Boiler
ENERGY STAR CertifiedCommercial Boilers →
Thermal Efficiency
98%
Input Rate
1500MBTU/hr
Turndown Ratio
10.00
Application
Indoor
High thermal eff
RBI WATER HEATERS WB1501: thermal eff 98%, better than 91% of commercial boilers (category median 96.5%).
Thermal eff: better than 88% of the 36 comparable models within 10% of this size. Their median is 96.2 %.
Where this model sits
Input1500MBTU/hr
300median 7502500
Thermal Eff98%
94median 96.598.7
Better than 91% of commercial boilers.
The RBI WATER HEATERS WB1501 is a 1500 MBTU/hr commercial boiler. At 98 % it ranks better than 91% of the 386 certified commercial boilers models. Among similar-sized commercial boilers (within 10% of its size), it is more efficient than the peer median of 96.2 %.
Specifications
| Performance | |
|---|---|
| Thermal Efficiency | 98% |
| Full-Load Input Rate | 1500MBTU/hr |
| Turndown Ratio | 10.00 |
| Configuration | |
| Application | Indoor |
| Control Type | Multi-stage |
| Model Name | Torus Indoor WB1501 |
| Identifiers | |
| Model Number | WB1501 |
| ENERGY STAR ID | ES_1083631_WB1501_03142026010058_10218325281 |
| Partner | Mestek, Inc. |
| Date Qualified | 2026-05-21 |
| Available From | 2026-03-16 |
| Markets | United States, Canada |
Documentation
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