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High Efficiency Gas Condensing Water Heater

Hubbell Prime NX

High Efficiency Burner
316L SS ASME Heat Exchanger
BTU input from 200,000 to 800,000 MBH

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Commercial Condensing Gas Water Heating Products


The Hubbell Prime NX is a heavy-duty, fully condensing commercial gas water heater coupled with a long lasting cement lined Hubbell storage tank. The Hubbell design achieves a thermal efficiency rating of 96% and is available with inputs ranging from 200 – 800 MBH. The NX combines the best of both worlds by combining a high efficiency, high recovery gas water heater with a properly sized cement lined storage tank, reducing energy consumption, short-cycling, and stand-by heat loss.


       Up to 8:1 turndown
       Numerous venting options
       Natural gas or propane
       BMS integration via open communication protocol
       Minimal space required
       Feature rich interface using touch panel controller
       Scale reducing design

  • Low pressure drop
  • Scalable up to 8 Prime NX water heaters for up to 6.4 million BTUs
  • Innovative floor to tank mount configuration provides exceptional access to all components
  • Increased serviceability
  • Offers the flexibility of multiple BTU inputs and unlimited storage configurations


       Office buildings, schools, hospitals, industrial facilities, hotels, and much more.

How the NX Prime Works
NX Prime Dimensional Data
Hubbell Cement Lined Storage Tank Dimensions
NX Standard Features, Specifications, Piping Layouts
NX Prime Configurations
NX Prime Optional Equipment and Available Accessories

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