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.
- Heats up fast, so no long waits before enjoying your pool or spa
- Best-in-class energy efficiency
- Manual gas shutoff when service is required
- Eco-friendly MasterTemp is certified for low NOx emission and outperforms industry standards
- Rotating digital display allows for easy viewing
- Tough, rustproof exterior handles the heat and weathers the elements
- IntelliBrite® 5g Pool and Spa Light support
*Standard copper heat exchanger 84% efficient. Heavy-duty (HD) cupro-nickel heat exchanger 82% efficient.
MasterTemp 125 High Performance Heater
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, affordable heating with premium features
- 82% energy efficiency is highest in its class
- 1.5-in. plumbing—ideal for smaller bodies of water up to 15,000 gallons
- Premixed 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
ETI 400 High Efficiency Gas Heater
Pentair ETi 400 High Efficiency Pool and Spa Heater- 96% thermal efficiency, featuring the first direct-fire titanium heat exchanger for ultra-long life. When you want quality, strength and durability, you want the corrosion resistance of titanium. The ETi 400 is the world’s first heater with the TitanTough™ direct-fire pure titanium heat exchanger for long-lasting, thermal and energy-efficient heat.
- Longest-lasting heat exchanger ever built
- Incredible 96% thermal efficiency—more heat gets into pool water faster Best-in-class energy savings
- Can now be converted from Natural to Propane Gas by purchasing a Propane Gas Conversion Kit