Modulating Ultra Force®

Designed to provide years of dependable service, State Water Heaters’ Ultra Force XL condensing water heaters feature industry-leading technology. Models are available from 750,000 to 1,000,000 Btu/h and all deliver thermal efficiencies of 97%. The primary and secondary heat exchangers provide optimal service life, while maximizing heat transfer. Ultra Force is the industry leader in high efficiency commercial water heating. Ultra Force XL modulating models adjust firing rate to the specific demand further increasing efficiency and money savings.

Features and Benefits

How It Works

Application and Installation

Top Service Items

Blocked Air Intake Error


Ignition Failure Error

Flow Not Detected Error

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Additional Resources



Sequence of Operation