Superior Boiler · Series
Superior Boiler Cheyenne (Condensing)
The Superior Cheyenne is a high-efficiency condensing boiler — 'one of the largest condensing boilers in the industry, available as true dual-fuel natural gas and oil unit' — with capacities from 4.0 to 15.0 MBTU/hr and hot water design pressure 125–160 psig.
Series facts
- Type
- condensing
- Efficiency
- Unknown
- Fuel
- Superior prints #2 Oil, Hydrogen, Natural Gas and Propane fuel capabilities, and describes the Cheyenne as 'available as true dual-fuel natural gas and oil unit'.
- Venting
- Unknown
- Models documented
- 0
- Warranty
- Not verified
About the Cheyenne (Condensing)
Superior's Cheyenne page states: 'This High-Efficiency Condensing Boiler is one of the largest condensing boilers in the industry, available as true dual-fuel natural gas and oil unit.' The official capacity block prints: 'Capacity: 4.0 - 15.0 MBTU/HR', 'Pass: 3-pass', 'Tube Type: Rifled Tubes and Smooth Tubes with Turbulators', 'Hot Water Design Pressure: 125 - 160 psig' and fuel capabilities of #2 Oil, Hydrogen, Natural Gas and Propane.
The page documents a choice of UL-listed burner packages, proven efficiency, and NOx emissions of 30 PPM or less available on all firing rates, 'now with sub-7 ppm NOx levels' per the page text. The Cheyenne brochure, Superior Firetube Advantage document, sample specs, venting sample specifications, sample manuals and CAD drawings are published on the page.
No per-size rating table was transcribed for this series at the time of writing. No official Canadian-sales statement was found.
Highlights
- High-efficiency condensing boiler, 4.0 – 15.0 MBTU/hr
- True dual-fuel natural gas and oil design per the page
- Three-pass with rifled tubes and smooth tubes with turbulators
- Hot water design pressure 125–160 psig
- NOx emissions of 30 ppm or less on all firing rates; sub-7 ppm levels available
Models
Cheyenne (Condensing) models
One canonical page per model with input, output and efficiency kept separate.
Error codes and alerts
Cheyenne (Condensing) alerts
No alerts documented for this series yet.
Manuals
Official documents
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.
Services for Superior Boiler boilers
Frequently asked questions
What capacity range does the Superior Cheyenne cover?
Superior prints 4.0 to 15.0 MBTU/hr with hot water design pressure of 125–160 psig.
What NOx levels does the Cheyenne reach?
The page prints NOx emissions of 30 PPM or less available on all firing rates, now with sub-7 ppm NOx levels.
Talk to a boiler technician
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
- Superior Boiler — Cheyenne product page · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.