State Water Heaters – freeze protection

State Water Heaters has delivered innovative hot water solutions for more than 70 years. State’s selection of residential and commercial tank type, tankless, hybrid water heaters, boilers and storage tanks is unmatched for quality and diversity.
Anywhere hot water is needed, State provides an energy-efficient solution with long-lasting value for years after installation.  


With an internal freeze protectionsystem, tankless water heaters use electric heaters to prevent the heat exchanger’s temperature from dropping too low. Some models boast additional protection that allows the burner to fire for a few seconds. These features reduce the chance of freeze damage.
Features & Benefits:
  • Energy efficient
  • Compressor Restart Delay in Cool Mode
  • High-Temperature Protection in Heat Mode
  • Automatic Quick Warm-Up (Heat Pump Models only)
  • Automatic Evaporator Freeze Protection
  • Golden Fin anti-corrosive protective coil coating
    freeze protection system


    Model: # GTS-510U-I
    Fully modulating, gas fired, tankless water heater specifically designed for residential and commercial applications. Supplies hot water to domestic hot water systems and can be used with water storage tanks, recirculation systems, and/or combined domestic and heating applications.
    Features & Benefits:
    • Maximum flow rates up to 10.0 GPM
    • Available in Natural Gas or Propane (LP)
    • Outdoor models include remote control as a standard feature
    • Indoor models include both a remote control and power cord as standard features
    • Low NOx Emissions
    • Complies with lead-free standards
    • Heat exchanger (510 Models) is constructed of commercial-grade copper

    For more information contact Customer service at