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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.

ModelTypeFuelStorageInput rate
A. O. Smith BTHS 750A 1**Gas Storage-type InstantaneousGas, Propane120 gal750 kBtu/h
State SUS 120 750NEA 1**Gas Storage-type InstantaneousGas120 gal750 kBtu/h
State SUS 120 750PEA 1**Gas Storage-type InstantaneousPropane120 gal750 kBtu/h
Lync LC10EGas Storage-type InstantaneousGas130 gal999 kBtu/h
A. O. Smith BTHS 1000A 1**Gas Storage-type InstantaneousGas, Propane120 gal1,000 kBtu/h
State SUS 120 1000PEA 1**Gas Storage-type InstantaneousPropane120 gal1,000 kBtu/h

BOCK

More BOCK commercial water heaters

ModelTypeFuelStorageInput rate
60HEC-125-NA-****Gas StorageGas60 gal125 kBtu/h
60HEC-125-XA-****Gas StoragePropane60 gal125 kBtu/h
OT400*2-A-***Gas StorageGas, Propane125 gal400 kBtu/h
OT400*2-***Gas StorageGas, Propane119 gal400 kBtu/h
OT500*2-A-***Gas Storage-type InstantaneousGas, Propane125 gal500 kBtu/h
OT500*2-***Gas Storage-type InstantaneousGas, Propane119 gal500 kBtu/h
ODOT400*2-A-***Gas StorageGas, Propane125 gal400 kBtu/h
ODOT400*2-***Gas StorageGas, Propane119 gal400 kBtu/h

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