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Boilers for Manufacturing Plants
Process steam and hot water for presses, curing, tanks, and building heat, from boilers designed, built, and installed by McKenna Boiler Works, Inc.
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. designs and builds steam and hot water boilers for manufacturing plants, ships them to plants across the United States and internationally, with startup and commissioning in any state, and installs and services them across California. McKenna sizes boilers to the process pressure and how the load moves through a shift, builds them in its ASME code shop in Oceanside, and services McKenna boilers and other brands on a schedule that fits shifts and planned shutdowns. A live person answers (323) 987-1816 24/7.
Manufacturing
Steam and hot water sized to the process.
Manufacturing plants use steam and hot water for heated presses, curing and drying, heated tanks, parts washing, and building heat. The right boiler depends on the pressure the process needs, how the load moves through a shift, and how much condensate comes back.
We look at the process, the fuel, and the room before we size anything. If the plant is growing, we can leave room for another boiler or design a lead-lag system from the start.

What matters
What a manufacturing boiler room needs.
Matched pressure
Boilers and controls set to the pressure the process actually needs.
Shift-to-shift loads
Turndown and sequencing that follow the load through the day.
Condensate return
Getting condensate back saves fuel, water, and treatment chemicals.
Room to grow
A plant layout that leaves space for the next boiler.
What we do
Designed, built, and installed by McKenna.
New systems from our own shop, and service and repair on the boilers you already run, including other brands.
New boilers
Firetube, firebox, and vertical boilers built in our ASME code shop, matched to the process pressure, standard or custom to the room.
Lead-lag systems
Two or more boilers run as one plant, so capacity can grow with the plant.
Steam trap audits
Traps tested and tagged, with a report of failed traps and replacements installed by McKenna.
Service and repairs
Maintenance, combustion tuning, retubes, and R stamp code repairs on McKenna boilers and other brands, planned around shift and shutdown schedules.
Codes and rules
Codes and air rules for process boilers.
New boilers are built and stamped under the ASME code in our shop, installed to the California Mechanical Code and ASME CSD-1 where it applies, and inspected for the Cal/OSHA permit to operate before they go into service.
A plant that grows its boiler capacity can cross an air district size threshold, which changes the NOx limit and the permit. McKenna checks the limit before sizing, supports permits and source testing, and retrofits ultra-low NOx burners when a boiler can’t meet its limit.
Project photos



McKenna Boiler Works, Inc. looks at the pressure the process needs, how the load moves through a shift, the fuel, condensate return, and the room, then sizes the boiler, burner, and feedwater system to fit.
Yes. McKenna Boiler Works, Inc. can add a boiler and tie it into the existing plant, with sequencing controls so the boilers run as one system.
Yes. McKenna Boiler Works, Inc. services and repairs McKenna boilers and other brands, including retubes and R stamp code repairs, scheduled around your shifts and planned shutdowns.
Yes. McKenna Boiler Works, Inc. performs energy audits and steam trap audits, tunes burners, and upgrades controls to cut fuel use.