Mastertemp 125 K BTU Heater

 Mastertemp 125 Spa Heater

Mastertemp 125 BTU

Mastertemp  125

Mastertemp Heater 125 Introducing the High-Efficiency, High-Technology Heater for Bodies of Water Up to 15,000 Gallons.  The remarkably affordable new MasterTemp eater 125 heater gives you the energy savings and advanced operating features that were only available from much larger heaters. With its revolutionary pre-mixed gas combustion technology, the MasterTemp heater 125 offers 82% thermal efficiency – the highest of any heater in its category. Its 1-1/2″ plumbing is ideal for smaller applications, including aboveground pools, spas and inground pools up to 15,000 gallons. Featuring the first ever rotating, digital display offered in its class, the MasterTemp 125 heater provides valuable information conveniently and at the touch of a button. Plus, its lightweight, compact design makes the MasterTemp 125 heater easier to install than any other heater in its class – reducing labor costs which saves you money.


  • Mastertemp heater 125 – 82% energy efficiency is highest in its class.
  • High-performance, affordable heating with premium features.
  • 1-1/2″ plumbing – ideal for smaller bodies of water up to 15,000 gallons.
  • Mastertemp heater 125 – Pre-mixed combustion technology for ultra-fast heat-up.
  • Rotating digital display – the first in its price category – provides fast, easy access for programming and monitoring.
  • Certified for low NOx emissions.
  • Certified for outdoor and indoor – vented installations.


The MasterTemp heater 125 has earned the Eco Select brand distinction as one of the “greenest” and most efficient choices from Pentair. Eco Select products are designed to help you save energy, conserve water, eliminate or reduce noise, or otherwise contribute to a more environmentally responsible equipment system.

Call us today Toll Free 888-284-6007 for order with super fast shipping & handling. Local customers are welcome to pick up here.

American Best Pool Supply

3900 Valley Blvd, Unit E.

Walnut Ca 91789