Maxim Gas Non-Condensing water heater 199, 270, 400, 540 MBH in a 125 gallon tank 270, 399, 540, 720, 800 MBH in a 250 gallon tank Overview Technical Documents Maxim® is a fully packaged gas-fired vertical firetube water heater with a power combustion burner that provides reliable domestic hot water even under the most difficult water conditions. It’s designed as a free-standing storage heater requiring no field piping between a boiler and tank. Maxim combines medium to high recovery capacity and storage in a small footprint. Low NOx version available in selected models. NOTE: Not available in all territories. Contact your PVI Sales Representative. Features and Benefits 80% thermal efficiency Natural gas and LP gas Power combustion burner Low NOx emissions Gas trains are UL 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 AquaPLEX Corrosion Protection Highly durable AquaPLEX® engineered duplex stainless steel storage tank and fire tubes Corrosion-resistant in potable water at any temperature Highly resistant to chloride stress corrosion cracking No lining required Non-ferrous, removable tank connections No anode rods required or used Warranty 15-year AquaPLEX tank warranty (8 years full, 7 years prorated) One-year parts warranty Three-year scale failure warranty First-year service policy (freight and labor coverage) Long-life service policy (optional) Certifications Meets ASHRAE 90.1 Qualifies for LEED certification ETL listed to U.S. and Canada safety standards FM compliant SCAQMD certified for NOx compliance (gas only) ASME, section IV, part HLW stamped and National Board Registered CSD-1 (GE-GAP) controls optional Technical Documents Technical Documents Installation and Piping Drawings Installation, Operation and Maintenance Manuals Literature, Performance and Dimensions Product and Component Drawings Specifications Standard and Optional Equipment Startup Forms Warranty Select a Model Select options below to identify the UPC, Order Code, and Repair Kit for a specific Maxim View all models Find a Sales Representative Customer Support Share this Product Customer Support Find a Sales Representative Find a Service Contractor Products Documents and Tools Sales Representative Portal CA Supply Chain Disclosure © 2021 PVI, A Watts Brand. All rights reserved. Accessibility Privacy Policy Terms of Use Sitemap