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

#2 Oil or Combination Gas and #2 Oil.
End shot power combustion burner.
Gas and oil trains are ETL compliant.
Product vents negatively through type L double-wall material. Sidewall vents with power venter assistance (not supplied).
Direct combustion air connectable through optional burner adapter (consult representative for vent lengths).

ETL listed to US safety standards. Consult PVI for Canadian installations.
FM compliant.
ASME, section IV, part HLW stamped and National Board Registered.
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 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.

Catalog Sheets Maxim Oil
Catalog Sheets Maxim Gas/Oil

Installation and Operating Manuals:
Water Heater Manual
Burner Model B40 Oil
Burner Manual for Gas/Oil (consult factory)

Color Brochure