MAXIM GAS
MAXIM is a vertical, steel fire tube storage water heater with a power combustion burner. It combines medium to high recovery capacity and storage in a small footprint. Low NOx available in selected models.  

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  • Efficiency
  • Storage / Inputs
  • Burner / Venting
  • Certifications
  • Corrosion Protection
  • Warranties
  • Literature
83% thermal efficiency. Meets ASHRAE 90.1-2007.
Heaters qualify for LEED certification.
125 gallon tank: 199 - 270 - 400 - 540 - 720 - 800 MBH
250 gallon tank: 270 - 399 - 540 - 720 - 800 - 1000 - 1200 - 1400 MBH
Natural gas or LP individually. End shot power combustion burner.
Gas trains are UL compliant and include dual safety shutoff valves and gas pressure regulator.
Independent laboratory certified at < 30 ppm NOx for 199 - 270 and 399 MBH in 125 and 250 gallon tanks.
Product vents negatively through type B double-wall material. Sidewall vents with power venter assistance (supplied by others).
Direct combustion air connectable through optional buner adapter (vent length guidelines 199 to 399 MBH and 540 to 1400 MBH).
ETL listed to US and Canadian safety standards.
FM compliant.
ASME, section IV, part HLW stamped and National Board Registered.
SCAQMD compliant and listed for inputs of 199, 270 and 399 MBH (NOx levels < 55 ppm)
CSD-1 (GE-GAP) controls optional.
NICKELSHIELD® nickel-plated storage tank -or-
POLYSHIELD® polymer-lined storage tank.
Fire tubes are protected by seam-welded sheet copper.
All tank connections are non-ferrous and removeable. Lining protection is not compromised when pipe is threaded into fittings.
NO ANODE RODS REQUIRED OR USED. Click on "TECHNOLOGIES" for more information.
With NICKELSHIELD® nickel-plated tank, standard tank warranty is 10 years.
With POLYSHIELD® polymer-lined tank, standard tank warranty is 5 years.
Three-year warranty against scale failure.
First-year service policy is standard. Pays for freight and labor for warranty covered fault or defect.
Long-life service policy is optional. Extends payment for freight and labor on warranty covered vessel repair or replacement.
Information provided above is summary only. Refer to written warranties and service policies for full details.