Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
Both the Buderus G334X/92 and the Buderus G334X/116 belong to the Bosch Thermotechnology Buderus G334X (Logano G334X) line of non-condensing boilers. Published ratings: Buderus G334X/92 at 273 MBH net rating and 83.1% combustion efficiency; Buderus G334X/116 at 344 MBH net rating and 83.2% combustion efficiency. Buderus G334X/116 lists 71 MBH more net rating than Buderus G334X/92 (344 MBH against 273 MBH). Buderus G334X/116 carries the higher published combustion efficiency at 83.2%, against 83.1%.
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Buderus G334X/92 | Buderus G334X/116 |
|---|---|---|
| Net IBR rating | 273 MBH | 344 MBH |
| Combustion efficiency | 83.1 % | 83.2 % |
| Fuel | Natural gas or propane | Natural gas or propane |
| Ignition heat load | 378 MBTU/hr | 476 MBTU/hr |
| Nominal output | 314 MBTU/hr | 396 MBTU/hr |
| Number of burner rods | 6 | 7 |
| Dry weight | 930 lb | 1,093 lb |
| Water volume | 11.4 US gal | 13.5 US gal |
| Vent size | 9" | 10" |
| Gas connection | 3/4" | 3/4" |
Published ratings: the Buderus G334X/92 is rated 273 MBH net rating and 83.1% combustion efficiency; the Buderus G334X/116 is rated 344 MBH net rating and 83.2% combustion efficiency. Buderus G334X/116 lists 71 MBH more net rating than Buderus G334X/92 (344 MBH against 273 MBH). Buderus G334X/116 carries the higher published combustion efficiency at 83.2%, against 83.1%.
The number of burner rods differs: the Buderus G334X/92 lists 6, while the Buderus G334X/116 lists 7. The dry weight differs: the Buderus G334X/92 lists 930 lb, while the Buderus G334X/116 lists 1,093 lb. The water volume differs: the Buderus G334X/92 lists 11.4 US gal, while the Buderus G334X/116 lists 13.5 US gal.
Both records print the same fuel (Natural gas or propane) and gas connection (3/4"), per the cited sources.
Bosch Thermotechnology
The Buderus G334X/92 is a discontinued atmospheric cast-iron gas boiler with a 378 MBTU/hr ignition heat load, 314 MBTU/hr nominal output and 83.1% combustion efficiency.
Bosch Thermotechnology
The Buderus G334X/116 is a discontinued atmospheric cast-iron gas boiler with a 476 MBTU/hr ignition heat load, 396 MBTU/hr nominal output and 83.2% combustion efficiency.
The Buderus G334X/116 lists 344 MBH, against 273 MBH on the Buderus G334X/92, per the cited documentation.
The Buderus G334X/116 carries the higher published combustion efficiency at 83.2%, against 83.1%.
A consultation includes a heat-loss review so the size is right the first time.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.