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AQUA Magazine

The High-Efficiency, High-Tech Heater for Pools Up to 15,000 Gallons

The MasterTemp 125 Heater provides energy-savings and advanced operating features that were only available from much larger heaters. With its revolutionary pre-mixed gas combustion technology, the MasterTemp 125 offers 82% thermal efficiency, the highest in its class. The advanced LCD display/controller provides more information and better control.

Pentair Item Codes: EC-462024

  • High-performance, affordable heater with premium features
  • 82% energy efficiency is highest in class
  • 1-1/2 in. Plumbing connection — ideal for smaller bodies of water, including aboveground pools, spas and inground pools up to 15,000 gallons
  • Pre-mixed combustion technology for ultra-fast heat up
  • Easy-to-use digital display/controller
  • Certified for low NOx emissions
  • Available in natural gas or propane gas
  • Lightweight: 80 lbs. — easy to handle and ship
  • Corrosion and UV-resistant enclosure
  • 3/4 in. gas line up to 50 ft. from source
MasterTemp 125 High Performance Heater - English
MasterTemp 125 High Performance Heater - French
MasterTemp 125 Heater Installation and User Guide - English
MasterTemp 125 Heater Installation and User Guide - French