Pentair MasterTemp 125,000 BTU Natural Gas Heater - EC-462024

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The Pentair MasterTemp 125,000 BTU Natural Gas Heater - EC-462024 is the perfect gas heater for spas and hot tubs and above ground pools up to 15,000 gallons. It can work on small in-ground pools using 1.5-inch plumbing as well. At around 110 lbs this heater is also very easy to install which can save time and money on installation costs. The MasterTemp 125 uses a revolutionary pre-mixed gas combustion technology resulting in 82 percent thermal efficiency making it the most efficient gas heater in its category.


  • 125,000 BTU Rating.
  • Operates on Natural Gas.
  • 1 1/2" Plumbing Intake and Discharge.
  • 83% Energy Efficiency Rating.
  • Intuitive and Easy-to-Use Display and Control Pad.
  • Certified for Low NOx emissions.
  • Housing that is Corrosion and UV-resistant.
  • 3/4" Gas Line up to 50 Feet from Source (not included)
  • Includes a 110 Volt Cord for Easy Installation
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