Customer Alert: Shopping and bill payment have moved to Ferguson.com. Click SHOP to log in or CREATE ACCOUNT to establish an online account. Thank you for your patience.

State Water Heaters 100123441

State SGTS540NIHNG 199 MBH Indoor Condensing Propane Gas Tankless Water Heater

  • Manufacturers: State Water Heaters
  • Brand Name: State Water Heaters
  • Item #: 65275
  • Rebate Amount:
  • MPN: 100123441
  • Alt Part #: SGTS540PIHLP
  • UPC: 091196042547
  • Qty. Interval: 1
  • Availability: Login for Availability

The 540 series is well suited for residential use. Utilizing commercial grade copper alloy for the heat exchanger tubing, the 540 series is also suitable for heavier-residential usages such as domestic recirculation systems. Remote control included as a standard feature on all Outdoor models. Indoor models are certified up to 10,100 ft. altitude. Provides a variety of installation options: outdoor and direct vent. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements. Easy-Link System capable up to 4 units.


The GTS-540-PIH tankless water heater uses up to 199,000 BTU/hr of liquid propane to deliver an endless supply of hot water for a 3 bath home in northern climates and up to a 4 bath home in southern climates (one shower head per bath). Utilizing condensing technology, this heater is extremely efficient with a Uniform Energy Factor of 0.93. With an industry leading 15-year limited warranty, the GTS-540-PIH tankless water heater provides years of hot water through innovation and quality.

Type      :      Natural Gas
Application      :      Tankless
Vent Type      :      Direct Vent
UEF      :      0.93
Number of Elements      :      1
Power Source      :      Natural Gas
Voltage Rating      :      120 VAC
Phase      :      Single
Product Weight      :      70.9 lbs
Warranty      :      15 Year Heat Exchanger/5 Year Part
BTU Rating      :      199000 Btu/hr
Digital Display      :      Yes
Heat Exchanger      :      Commercial-Grade Copper
Inlet Gas Pressure      :      4.0-10.5 in. W.C.
LEED Points      :      1.5
Secondary Heat Exchanger      :      Stainless Steel
Water Connection Location      :      Bottom
Water Connection Size      :      3/4 in.
  • ULTRA-LOW NOX CONDENSING TECHNOLOGY PROVIDES UP TO 0.95 UNIFORM ENERGY FACTOR DURABLE HEAT EXCHANGER
    • Primary Heat Exchanger is constructed of Commercial-Grade Copper that is more resilient to erosion and is 25x better at heat transfer than stainless steel thus stabilizing outgoing water temperatures quicker
    • Secondary Heat Exchanger is made of Type 316L Stainless Steel to protect against corrosion
  • CONTINUOUS MAXIMUM FLOW RATES UP TO 10.0 GPM ENERGY STAR® QUALIFIED AVAILABLE IN NATURAL GAS OR PROPANE (LP) INDOOR MODEL - INCLUDES INTEGRATED TEMPERATURE CONTROLLER AND ADVANCED DIAGNOSTICS TO SIMPLIFY TROUBLESHOOTING OUTDOOR MODEL - INCLUDES A WALL MOUNT TEMPERATURE REMOTE CONTROLLER AND ADVANCED DIAGNOSTICS TO SIMPLIFY TROUBLESHOOTING FACTORY-INSTALLED POWER CORD INCLUDED FOR INDOOR MODELS GTS-540 MODELS
    • Can be used in residential and commercial applications
      • Easy-link up to 4 heaters
      • Multi-link up to 20 heaters
  • COMMON VENT UP TO 8 UNITS COMPLIES WITH LEAD FREE STANDARDS
  • SAFETY FEATURES:
    • Air-Fuel Ratio (AFR) Sensor
    • Exhaust & Water Temperature Safety Control
      • Overheat Cut-Off Fuse
  • INTERNAL FREEZE PROTECTION SYSTEM POWER DIRECT VENT DESIGN
    • Exhaust, 3” PVC Venting up to 70 feet or 4” PVC Venting up to 100 feet
    • Provides flexible venting with PVC, CPVC, or ABS Pipe for Intake and Exhaust (solid core only). Canadian Installations Require ULCS636 Listed PVC or CPVC Pipe for Venting.
    • Category III or IV venting can be used
  • ACCESSORIES
    • Pipe Cover
    • Neutralizer Kit
    • Isolation Valve Kits
    • Concentric Termination
  • WARRANTY
    • 15-year limited warranty on heat exchanger in residential applications
    • 5-year limited warranty on heat exchanger in commercial applications
    • 5-year limited warranty on all parts