Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
Both the Peerless Series CC CC-06 and the Peerless Series CC CC-07 belong to the Peerless Boilers Series CC line of non-condensing boilers. The Peerless Series CC CC-06 is documented at 938 MBH gas input, 663 MBH net water rating and 81.2% gas thermal efficiency, while the Peerless Series CC CC-07 is documented at 1,140 MBH gas input, 803 MBH net water rating and 81.1% gas thermal efficiency. Peerless Series CC CC-07 lists 202 MBH more gas input than Peerless Series CC CC-06 (1,140 MBH against 938 MBH). Peerless Series CC CC-06 carries the higher published gas thermal efficiency at 81.2%, against 81.1%. Peerless Series CC CC-07 lists 406 lb more shipping weight than Peerless Series CC CC-06 (3,339 lb against 2,933 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Peerless Series CC CC-06 | Peerless Series CC CC-07 |
|---|---|---|
| Net water rating | 663 MBH | 803 MBH |
| Domestic hot water | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater |
| Water content | 56 gal | 64 gal |
| Boiler working weight | 2,933 lb | 3,339 lb |
| Venting | Forced draft with a power burner | Forced draft with a power burner |
| Fuel | Natural gas or oil (combination gas/oil configurations) | Natural gas or oil (combination gas/oil configurations) |
| Gas input | 938 MBH | 1,140 MBH |
| Oil input | 6.5 GPH | 7.9 GPH |
| Gross output | 762 MBH | 924 MBH |
| Net steam rating | 572 MBH | 694 MBH |
| Gas thermal efficiency | 81.2 % | 81.1 % |
| Oil thermal efficiency | 83.7 % | 83.5 % |
| Boiler horsepower | 22.8 | 27.6 |
| Heating surface | 59.7 sq ft | 71.6 sq ft |
Published ratings: the Peerless Series CC CC-06 is rated 938 MBH gas input, 663 MBH net water rating and 81.2% gas thermal efficiency; the Peerless Series CC CC-07 is rated 1,140 MBH gas input, 803 MBH net water rating and 81.1% gas thermal efficiency. Peerless Series CC CC-07 lists 202 MBH more gas input than Peerless Series CC CC-06 (1,140 MBH against 938 MBH). Peerless Series CC CC-06 carries the higher published gas thermal efficiency at 81.2%, against 81.1%.
Peerless Series CC CC-07 lists 406 lb more shipping weight than Peerless Series CC CC-06 (3,339 lb against 2,933 lb). The boiler water content differs: the Peerless Series CC CC-06 lists 56 gal, while the Peerless Series CC CC-07 lists 64 gal. The boiler horsepower differs: the Peerless Series CC CC-06 lists 22.8, while the Peerless Series CC CC-07 lists 27.6. The heating surface differs: the Peerless Series CC CC-06 lists 59.7 sq ft, while the Peerless Series CC CC-07 lists 71.6 sq ft.
Both records print the same domestic-hot-water arrangement (Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater), venting (Forced draft with a power burner) and fuel (Natural gas or oil (combination gas/oil configurations)), per the cited sources.
Peerless Boilers
The Peerless Series CC CC-06 is a current commercial cast-iron steam or hot water boiler firing 938 MBH gas (6.5 GPH oil) for 762 MBH gross output, a 572 MBH net steam rating (2382 sq ft) and a 663 MBH net water rating at 81.2% gas thermal efficiency on a forced-draft power burner.
Peerless Boilers
The Peerless Series CC CC-07 is a current commercial cast-iron steam or hot water boiler firing 1140 MBH gas (7.9 GPH oil) for 924 MBH gross output, a 694 MBH net steam rating (2888 sq ft) and a 803 MBH net water rating at 81.1% gas thermal efficiency on a forced-draft power burner.
The Peerless Series CC CC-07 lists 1,140 MBH, against 938 MBH on the Peerless Series CC CC-06, per the cited documentation.
The Peerless Series CC CC-06 carries the higher published gas thermal efficiency at 81.2%, against 81.1%.
It ships at 3,339 lb against 2,933 lb for the Peerless Series CC CC-06, per the cited sources.
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.