High Performance Heater
The High-efficiency, High-tech Heater for Pools Up to 15,000 Gallons.
The affordable MasterTemp 125 heater gives you the energy savings and advanced operating features that were previously only available from much larger heaters. With its revolutionary premixed gas combustion technology, it offers 82% thermal efficiency—the highest of any heater in its category.
High Performance, Eco-Friendly Heater
All the Efficiency, Convenience and Reliability You Want in a Gas-fired Heater. As easy to use as your home-heating system, MasterTemp has user-friendly indicator lights that make system operation and monitoring a snap. The compact design and quiet operation won’t intrude on your swimming and poolside enjoyment.
* Standard copper heat exchanger 84% efficient. Heavy-duty (HD) cupro-nickel heat exchanger 82% efficient.