The affordable Pentair MasterTemp 125 Natural Gas Pool Heater gives you the energy savings and advanced operating features that were 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.
- Natural gas model with cord
- 125,000 BTU rating
- 82% energy efficiency
- High-performance, affordable heating with premium features
- 1-½" plumbing
- Ideal for smaller bodies of water up to 15,000 gallons
- For above ground and inground pools
- 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
Click here to download the manual

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Bridgeview, Carol Stream, Lake Zurich, Merrillville, Naperville, Orland Park, Romeoville
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