Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
The Buderus G334X/116 and Buderus G334X/132 are both non-condensing boilers in the Bosch Thermotechnology Buderus G334X (Logano G334X) line. The Buderus G334X/116 is documented at 344 MBH net rating and 83.2% combustion efficiency, while the Buderus G334X/132 is documented at 392 MBH net rating and 83.2% combustion efficiency. Buderus G334X/132 lists 48 MBH more net rating than Buderus G334X/116 (392 MBH against 344 MBH). Both list the same published combustion efficiency of 83.2%.
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Buderus G334X/116 | Buderus G334X/132 |
|---|---|---|
| Net IBR rating | 344 MBH | 392 MBH |
| Combustion efficiency | 83.2 % | 83.2 % |
| Fuel | Natural gas or propane | Natural gas or propane |
| Ignition heat load | 476 MBTU/hr | 541 MBTU/hr |
| Nominal output | 396 MBTU/hr | 450 MBTU/hr |
| Number of burner rods | 7 | 8 |
| Dry weight | 1,093 lb | 1,265 lb |
| Water volume | 13.5 US gal | 15.6 US gal |
| Vent size | 10" | 10" |
| Gas connection | 3/4" | 3/4" |
Published ratings: the Buderus G334X/116 is rated 344 MBH net rating and 83.2% combustion efficiency; the Buderus G334X/132 is rated 392 MBH net rating and 83.2% combustion efficiency. Buderus G334X/132 lists 48 MBH more net rating than Buderus G334X/116 (392 MBH against 344 MBH). Both list the same published combustion efficiency of 83.2%.
The number of burner rods differs: the Buderus G334X/116 lists 7, while the Buderus G334X/132 lists 8. The dry weight differs: the Buderus G334X/116 lists 1,093 lb, while the Buderus G334X/132 lists 1,265 lb. The water volume differs: the Buderus G334X/116 lists 13.5 US gal, while the Buderus G334X/132 lists 15.6 US gal.
Both records print the same combustion efficiency (83.2%), fuel (Natural gas or propane), vent size (10") and gas connection (3/4"), per the cited sources.
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.
Bosch Thermotechnology
The Buderus G334X/132 is a discontinued atmospheric cast-iron gas boiler with a 541 MBTU/hr ignition heat load, 450 MBTU/hr nominal output and 83.2% combustion efficiency.
The Buderus G334X/132 lists 392 MBH, against 344 MBH on the Buderus G334X/116, per the cited documentation.
Both list the same combustion efficiency of 83.2%.
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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.