Commercial water heatersENERGY STAR certified
BOCK OT800*-A
800 kBtu/h gas storage-type instantaneous water heater.
Input rate
800 kBtu/h
Storage
130 gal
Thermal efficiency
0.98
Fuel
Gas, Propane
Of 43 certified gas storage-type instantaneous commercial water heaters, 0 have a higher thermal efficiency than the OT800*-A (0.98).
- Maker
- BOCK
- Model
- OT800*-A
- Type
- Gas Storage-type Instantaneous
- Fuel
- Gas, Propane
- Storage
- 130 gal
- Thermal efficiency
- 0.98
- Input rate
- 800 kBtu/h
- Standby loss
- 1,500 Btu/h
- On the market since
- Sep 2026
- ENERGY STAR certified
- 11 Aug 2026
Source: ENERGY STAR certified commercial water heaters dataset, US EPA, record 4688055, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the OT800*-A
Certified commercial water heaters from other makers, same color class, within 20% of its speed.
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| A. O. Smith BTHS 750A 1** | Gas Storage-type Instantaneous | Gas, Propane | 120 gal | 750 kBtu/h |
| State SUS 120 750NEA 1** | Gas Storage-type Instantaneous | Gas | 120 gal | 750 kBtu/h |
| State SUS 120 750PEA 1** | Gas Storage-type Instantaneous | Propane | 120 gal | 750 kBtu/h |
| Lync LC10E | Gas Storage-type Instantaneous | Gas | 130 gal | 999 kBtu/h |
| A. O. Smith BTHS 1000A 1** | Gas Storage-type Instantaneous | Gas, Propane | 120 gal | 1,000 kBtu/h |
| State SUS 120 1000PEA 1** | Gas Storage-type Instantaneous | Propane | 120 gal | 1,000 kBtu/h |
BOCK
More BOCK commercial water heaters
| Model | Type | Fuel | Storage | Input rate |
|---|---|---|---|---|
| 60HEC-125-NA-**** | Gas Storage | Gas | 60 gal | 125 kBtu/h |
| 60HEC-125-XA-**** | Gas Storage | Propane | 60 gal | 125 kBtu/h |
| OT400*2-A-*** | Gas Storage | Gas, Propane | 125 gal | 400 kBtu/h |
| OT400*2-*** | Gas Storage | Gas, Propane | 119 gal | 400 kBtu/h |
| OT500*2-A-*** | Gas Storage-type Instantaneous | Gas, Propane | 125 gal | 500 kBtu/h |
| OT500*2-*** | Gas Storage-type Instantaneous | Gas, Propane | 119 gal | 500 kBtu/h |
| ODOT400*2-A-*** | Gas Storage | Gas, Propane | 125 gal | 400 kBtu/h |
| ODOT400*2-*** | Gas Storage | Gas, Propane | 119 gal | 400 kBtu/h |