The Pentair MasterTemp 125 Low NOx Pool Heater provides an energy-efficient heating solution engineered specifically for smaller bodies of water up to 56,781 L. Delivering 125,000 BTU of heating output with an impressive 82% thermal efficiency rating, this compact propane-powered unit ensures rapid warm-up times, quiet operation, and cost-effective performance.
Built for durability and flexible installation, the heater features a corrosion- and UV-resistant housing alongside a rotating digital display with intuitive indicator lights. Integrated safety systems, including stack flue sensors, water pressure switches, and automatic shut-off controls, guarantee reliable and secure operation throughout the swimming season.
Key Features
| Brand | Pentair |
| Model | MasterTemp 125 (EC-462025) |
| Fuel Type | Liquid Propane |
| Heating Capacity | 125,000 BTU |
| Thermal Efficiency | 82% |
| Max Pool Capacity | 56,781 L (15,000 gal) |
| Voltage | 120/240V |
| Plumbing Size | 1.5-inch |
| Dimensions (L x W x H) | 80.0 x 53.3 x 58.4 cm |
| Weight | 36.3 kg |
| Ignition Type | Electronic Ignition |
| Emissions Rating | Low NOx |
Highlights
- High-performance 125,000 BTU heating capacity with 82% energy efficiency
- Eco-friendly Low NOx emissions certified design
- Rotating digital display with indicator lights for easy system monitoring
- Corrosion- and UV-resistant exterior enclosure built for outdoor environments
- Built-in water pressure and stack flue sensors with automatic shut-off
Compatibility
Compatible with standard 1.5-inch pool plumbing connections and dual-voltage 120V/240V electrical setups for pools up to 56,781 L.
What’s included
- 1 x Pentair MasterTemp 125 Low NOx Pool Heater – EC-462025
- 1 x Instruction Manual
Frequently asked questions
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