• ProLine® XE Condensing Tankless

    State's Condensing Tankless Water Heaters are available in Residential and Commercial line ranging from 120,000 BTU/h to 199,000 BTU/h. All Residential models are ENERGY STAR® Qualified and utilizes PVC venting.
    ProLine® XE Condensing Tankless

  • Durable Heat Exchanger

    Primary Heat Exchanger is constructed of Commercial-Grade Copper which is more resilient against erosion and is 25x better at heat transfer than stainless steel thus stabilizing outgoing water temperatures quicker.

    ENERGY STAR® Qualified

    Safety Features

    Air-Fuel Ratio (AFR) Sensor

    Exhaust & Water Temperature Safety Control

    Power Direct Vent Design

    Provides flexible venting with PVC, CPVC, or ABS Pipe for Intake and Exhaust (solid core only).


Where to Buy.

Showing results for 20149

  • Tankless - Condensing

    ENERGY STAR®

    Tankless Water Heater Condensing Ultra-Low NOx Indoor 199,000 BTU Natural Gas

    GTS-540P-NIH
    • 15 Year Limited Warranty
    • 199,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Indoor 120,000 BTU Natural

    GTS-140-NIH
    • 15 Year Limited Warranty
    • 120,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Ultra-Low NOx Outdoor 180,000 BTU Natural

    GTS-340-NEH
    • 15 Year Limited Warranty
    • 180,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Ultra-Low NOx Outdoor 160,000 BTU Natural

    GTS-240-NEH
    • 15 Year Limited Warranty
    • 160,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Outdoor 120,000 BTU Natural

    GTS-140-NEH
    • 15 Year Limited Warranty
    • 120,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Ultra-Low NOx Indoor 199,000 BTU Propane

    GTS-540-PIH
    • 15 Year Limited Warranty
    • 199,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Ultra-Low NOx Indoor 199,000 BTU Natural Gas

    GTS-540P-PIH
    • 15 Year Limited Warranty
    • 199,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Ultra-Low NOx Indoor 180,000 BTU Propane

    GTS-340-PIH
    • 15 Year Limited Warranty
    • 180,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Ultra-Low NOx Outdoor 160,000 BTU Propane

    GTS-240-PIH
    • 15 Year Limited Warranty
    • 160,000 BTU
    Where To Buy
    ENERGY STAR®

    Tankless Water Heater Condensing Indoor 120,000 BTU Propane

    GTS-140-PIH
    • 15 Year Limited Warranty
    • 120,000 BTU
    Where To Buy