Overview

The Proline XE Condensing Ultra Low NOx series with X3 Scale Prevention Technology is well suited for residential applications. State Water Heaters has combined water heating and treatment in a product designed to revolutionize tankless water heating. Our new condensing gas tankless line features X3 Scale Prevention Technology to last three times longer than other tankless models without X3 Technology. Complies with Ultra Low NOx regulations. These tankless heaters utilize commercial grade copper alloy for the heat exchanger tubing and are approved to work with an external recirculation pump and crossover valve. Certified up to 10,100 foot altitude.

Features

• For indoor installation only
• Bottom water and gas connections - Top vent connections
• X3 scale prevention technology means no annual de-scaling required, which gives the water heater like new performance longer
• Primary heat exchanger is made of commercial grade copper
• Secondary heat exchanger is made of Type 316L stainless steel
• Internal freeze protection
• Approved to work with an external recirculation pump and cross-over valve
• Can be vented with PVC, CPVC, ABS or Polypropylene