Peerless Series CC CC-05
The Peerless Series CC CC-05 is a current commercial cast-iron steam or hot water boiler firing 722 MBH gas (5 GPH oil) for 587 MBH gross output, a 441 MBH net steam rating (1725 sq ft) and a 540 MBH net water rating at 81.3% gas thermal efficiency on a forced-draft power burner.
Key figures
- Max input
- —
- Max CSA output
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- AFUE
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- Min input
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Input is gas energy consumed; output is heat delivered. Never size from input alone.
Peerless Series CC CC-05 in practice
The Series CC CC-05 is one of the ten current commercial cast-iron sizes in Peerless' Series CC line. Its row in the in-page ratings table prints 722 MBH natural-gas input (5 GPH / 700 MBH oil), 587 MBH gross output, a 441 MBH net steam rating (1725 sq ft at a 1.333 pickup factor) and a 540 MBH net water rating (1.15 allowance), with 81.3% gas thermal efficiency and 83.9% oil thermal efficiency.
The table also prints 17.5 boiler horsepower, 49 gallons of water content, a 2528 lb working weight and 47.7 sq ft of heating surface for this size. The series uses a forced-draft power burner for gas, oil or combination gas/oil firing, and the page positions it for applications needing domestic hot water as well as space heating.
Boilers.ca records the printed row for the CC-05 for commercial service planning; no official Canadian-sales statement was found, so canadianStatus stays 'unknown', and commercial gas, combustion and venting work belongs with a licensed contractor against the Series CC installation manual.
Best suited to
- 722-MBH-class commercial gas loads (587 MBH gross output)
- Small-to-mid commercial hot-water or steam systems
- Buildings that may add tankless coils for domestic hot water
Applicability and support
- Model number
- CC-05
- Canadian availability
- unknown
- Production status
- current
- ROMA supplies
- Confirmed at consultation
- ROMA services
- Confirmed at consultation
- Warranty
- Not verified
Where ROMA provides on-site service
On-site service is currently offered in Greater Vancouver, BC, including Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North Vancouver, West Vancouver, New Westminster, Port Coquitlam, Port Moody, Delta, Langley, Maple Ridge, Abbotsford, Chilliwack, White Rock, Pitt Meadows, Tsawwassen, Anmore, Lions Bay, Belcarra, Bowen Island, Mission. Everything else on this site is reference information you can use anywhere in Canada.
Specifications
Published specifications
Values as published by Peerless Boilers. Units are shown with every value; notes flag conflicting sources or missing figures.
| Specification | Value | Note |
|---|---|---|
| Input | ||
| Gas input | 722 MBH | Natural-gas input per the in-page Series CC ratings table. |
| Oil input | 5 GPH | Oil input 5 GPH (700 MBH) per the in-page ratings table; the series record is gas-focused, and the oil column is recorded as printed. |
| Output | ||
| Gross output | 587 MBH | Gross output per the in-page Series CC ratings table. |
| Net steam rating | 441 MBH | Net steam rating 441 MBH (1725 sq ft) based on a pickup factor of 1.333 per the in-page table. |
| Net water rating | 540 MBH | Net water rating based on an allowance of 1.15 per the in-page table. |
| Efficiency | ||
| Gas thermal efficiency | 81.3 % | Gas thermal efficiency per the in-page Series CC ratings table. |
| Oil thermal efficiency | 83.9 % | Oil thermal efficiency per the in-page table (oil column recorded as printed). |
| Domestic hot water | ||
| Domestic hot water | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater | |
| Venting and air | ||
| Venting | Forced draft with a power burner | Forced-draft venting with a power burner per the product page; vent-connector diameter per the in-page dimensions table. |
| Physical and connections | ||
| Water content | 49 gal | Boiler water content per the in-page table. |
| Boiler working weight | 2,528 lb | Boiler working weight per the in-page table. |
| Operating limits and other | ||
| Boiler horsepower | 17.5 | Boiler horsepower per the in-page Series CC ratings table. |
| Heating surface | 47.7 sq ft | Heating surface per the in-page table. |
| Fuel | Natural gas or oil (combination gas/oil configurations) | The official page lists gas, oil or combination gas/oil configurations; this record carries the printed gas and oil columns. |
Manuals
Alerts documented for this model
None documented yet.
Frequently asked questions
What are the Series CC CC-05 ratings?
722 MBH gas input (5 GPH oil), 587 MBH gross output, 441 MBH net steam (1725 sq ft) and 540 MBH net water at 81.3% gas thermal efficiency per the in-page ratings table.
Is the Series CC CC-05 a steam or hot water boiler?
Both trims are offered: the ratings table prints net steam (1.333 pickup) and net water (1.15 allowance) columns, so the same size is applied to either system type.
What fuel does the Series CC CC-05 fire?
The line fires gas, oil or combination gas/oil on a forced-draft power burner; this record carries the printed gas column (with the oil column noted as printed).
Questions about the Peerless Series CC CC-05?
Describe what the boiler is doing and get a straight answer about the next step.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Compare and explore
- Peerless Series CC CC-04 vs CC-05Comparison
- Peerless Series CC CC-05 vs CC-06Comparison
- Peerless Series CC CC-03Same series
- Peerless Series CC CC-04Same series
- Peerless Series CC CC-06Same series
- Peerless Series CC CC-07Same series
- Peerless Series CC CC-08Same series
- Peerless Series CC CC-09Same series
- Peerless Series CC CC-10Same series
- Peerless Series CC CC-11Same series
- Peerless Series CC CC-12Same series
- Series CC series hub
- Buying guide
Sources and verification
- Peerless Boilers — Series CC product page (ratings table) · accessed September 9, 2026
- Series CC Commercial Boilers Installation Manual (4/16) (PDF) · accessed September 9, 2026
- Catalog Literature — Series CC, CUT-CC R0 (8/25) (PDF) · CUT-CC R0 · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.