Hurst Boiler & Welding Co., Inc. · Scotch Marine Series 200
Hurst Series 200 — 500 HP
The Hurst Series 200 500 HP is a two-pass dryback Scotch Marine firetube boiler rated 17,250 lb/hr steam output and 16,738 MBH gross output on 2,500 sq ft of heating surface in Hurst's published capacity table.
Key figures
- Max input
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- 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.
Hurst Series 200 — 500 HP in practice
Hurst's Series 200 capacity brochure prints the 500 HP row at 2,500 sq ft of fireside heating surface (5 sq ft per HP), 17,250 lb/hr steam output from and at 212°F, and 16,738 MBH gross output.
The firing-rate rows list 21,000 CFH of natural gas, 229.5 GPH of LP gas, 150 GPH of No. 2 oil and 140 GPH of No. 5/#6 oil. Water capacity is 2,300 gallons in the steam series (NWL) and 2,915 gallons in the water series (flooded), with dry shipping weights of 39,900 lb high pressure and 38,800 lb low pressure.
The Series 200 is a two-pass scotch-type boiler built and stamped to ASME Code and listed by the National Board, with a large combustion chamber, a front-mounted smoke box, hinged and davited rear doors (40 HP and larger) and 3" × 4" handholes with a 12" × 16" manhole from 80 HP up. Hurst documents steam design pressures to 300 psig for the series. No official Canadian-sales statement was found.
Best suited to
- Steam or hot water plants documenting an installed Series 200 500 HP against Hurst's capacity table
- Loads in the 17,250 lb/hr steam class
- Facilities that need gas, LP or oil firing flexibility in one pressure vessel
Applicability and support
- Model number
- Series 200 / 500 HP
- 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 Hurst Boiler & Welding Co., Inc.. Units are shown with every value; notes flag conflicting sources or missing figures.
| Specification | Value | Note |
|---|---|---|
| Input | ||
| Firing rate, gas | 21,000 CFH | Natural gas at 1,000 BTU per cubic foot, as printed in the Series 200 brochure. |
| Firing rate, LP gas | 229.5 GPH | LP gas at 91,500 BTU per gallon, as printed in the Series 200 brochure. |
| Firing rate, No. 2 oil | 150 GPH | No. 2 oil at 140,000 BTU per gallon, as printed in the Series 200 brochure. |
| Firing rate, No. 5 & No. 6 oil | 140 GPH | No. 5 & No. 6 oil at 150,000 BTU per gallon, as printed in the Series 200 brochure. |
| Output | ||
| Steam output (from & at 212°F) | 17,250 LBS/HR | As printed in the Series 200 capacity brochure. |
| Gross output | 16,738 MBH | As printed in the Series 200 capacity brochure. |
| Physical and connections | ||
| Heating surface (fireside) | 2,500 SQ. FT. | As printed in the Series 200 capacity brochure; 5 sq ft per boiler horsepower. |
| Water capacity, steam series (NWL) | 2,300 gal | As printed in the Series 200 capacity brochure. |
| Water capacity, water series (flooded) | 2,915 gal | As printed in the Series 200 capacity brochure. |
| Shipping weight, high pressure (dry) | 39,900 lb | As printed in the Series 200 capacity brochure. |
| Shipping weight, low pressure (dry) | 38,800 lb | As printed in the Series 200 capacity brochure. |
| Operating limits and other | ||
| Boiler horsepower | 500 HP | As printed in the Hurst Series 200 capacity brochure table. |
| Steam design pressure | 15–300 psi | The Series 200 page prints pressures to 300 psig; the brochure notes 250 psi max. for the 700–1500 hp class and 200 psi max. for the 1800–2000 hp class. |
Manuals
Alerts documented for this model
None documented yet.
Frequently asked questions
What are the Hurst Series 200 500 HP ratings?
The capacity brochure prints 17,250 lb/hr steam output, 16,738 MBH gross output and 2,500 sq ft of heating surface.
What firing rates does the 500 HP row list?
21,000 CFH natural gas, 229.5 GPH LP gas, 150 GPH No. 2 oil and 140 GPH No. 5/#6 oil.
What kind of boiler is the Hurst Series 200?
A two-pass dryback Scotch Marine firetube boiler, available in steam or hot water versions from 15 to 800 HP.
Questions about the Hurst Series 200 — 500 HP?
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.
Sources and verification
- Hurst — Series 200 capacity brochure (PDF) · accessed September 9, 2026
- Hurst — Series 200 product page · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.