Fulton Boiler Service and Repair in California
Service, safety testing, vessel repairs, and burner work on Fulton steam and hot water boilers, from an independent company that builds boilers in California.
Code-built boilers and vessels
Code repairs and alterations

Factory-authorized Tech Center

Factory-authorized Burner Tech Center
Fifth generation, family-owned
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McKenna Boiler Works, Inc. services and repairs Fulton boilers for plants across California. McKenna’s crews handle preventive maintenance, CSD-1 safety control testing, combustion tuning, vessel and heat exchanger work, and burner work on Fulton vertical tubeless steam boilers and condensing hot water boilers. Code repairs are done under McKenna’s National Board R certificate. McKenna is an independent company, not affiliated with Fulton, and builds its own boilers in an ASME code shop in Oceanside, California. Call (323) 987-1816 or email info@mckennaboiler.com to schedule service.
Fulton service
Service for the Fulton boiler you already have.
Fulton vertical tubeless steam boilers fit tight boiler rooms, and Fulton’s condensing hot water boilers run building heat in hospitals, campuses, and plants across California. Both need the same things every boiler needs: safety testing, tuning, and a clean water side.
McKenna services and repairs Fulton boilers with its own crews. We don’t sell Fulton equipment, so the recommendation is what the boiler needs: a repair, an upgrade, or a replacement when the numbers say so.
What we do
Fulton work McKenna performs.
- Preventive maintenance and CSD-1 safety control testing, with a written report
- Combustion analysis and burner tuning to hold efficiency and emissions
- Vertical tubeless vessel inspection and scale removal
- Condensing heat exchanger and condensate service on ENDURA and VANTAGE units
- Burner replacement and ultra-low NOx retrofits selected to meet your air district’s NOx limit
- R stamp repairs and alterations under the National Board R certificate
Fulton scope
Models
All models, including Classic, VSRT, and VMP vertical boilers and ENDURA and VANTAGE condensing boilers
Design
Vertical tubeless and vertical multi-port, horizontal firetube, flexible watertube, and condensing firetube hot water
Code work
National Board R certificate, repairs and alterations per the NBIC
Safety testing
ASME CSD-1 control and safety device testing where it applies
Emissions
Ultra-low NOx retrofits, as low as 2.5 ppm NOx (corrected to 3% O2) on select models
Controls
Autoflame, or controls from other manufacturers
Service area
All of California
Emergency
A live person answers (323) 987-1816 24/7
How it works
How a Fulton service call runs.
01
Send the nameplate
Call or use the request form. A photo of the nameplate tells us the model, size, and pressure before we arrive.
02
Inspection
A McKenna technician inspects the boiler, burner, controls, and safety devices, and notes what needs work now and what can wait.
03
Written scope
You get a written scope and quote. Code repairs list the R stamp work and the inspector hold points.
04
Repair and test
McKenna does the work, tests the safety controls, tunes the burner, and hands you the paperwork.
Why McKenna
Why plants use McKenna on their Fulton boilers.
Independent
McKenna isn’t tied to a manufacturer’s rep agreement. We recommend what fits your plant, including keeping the boiler you have.
We build boilers
McKenna engineers and builds boilers in its own ASME code shop. That’s the same knowledge we bring to your Fulton.
Code repairs in-house
McKenna holds the National Board R certificate, so welded tube repairs and other pressure part repairs don’t need another company.
One company for the boiler room
We service and repair other brands too. A plant with more than one brand of boiler gets one service company and one set of records.
McKenna Boiler Works, Inc. services and repairs all Fulton boiler models for plants across California. Its crews do preventive maintenance, CSD-1 safety testing, combustion tuning, vessel and heat exchanger work, and burner work. McKenna is independent and not affiliated with Fulton.