The Pentair MasterTemp 250 Natural Gas Pool Heater (EC-462026) delivers powerful 250,000 BTU heating in a remarkably compact design. With smart connectivity, impressive 82% thermal efficiency, and ultra-low NOx emissions, this heater represents the perfect balance of performance, intelligence, and environmental responsibility.
Heat Your Pool Smarter
Smart connectivity via Pentair Automation Systems lets you control your pool temperature from anywhere. Receive real-time alerts on your smartphone about heater performance and status, ensuring your pool is always ready when you are—without wasting energy when you’re not.
Rapid, Reliable Heating
With 250,000 BTU output and 82% thermal efficiency, the MasterTemp heats your pool quickly and maintains your perfect temperature consistently. No more long waits before swimming—just fast, dependable warmth whenever you need it.
Full-Text Digital Display
The intuitive digital display combines advanced functions with a user-friendly menu for easy operation and diagnostics. Monitor performance, adjust settings, and troubleshoot issues with clarity and confidence.
Save Up to 35% on Operating Costs
Optional Smart Heater Bypass valve control diverts water flow when heating isn’t needed, dramatically reducing unnecessary operation and saving you money throughout the season.
Eco-Friendly Low NOx Design
Ultra-low emissions meet or exceed air quality standards, making this heater compliant in even the most environmentally regulated areas. Heat your pool responsibly without sacrificing performance.
Compact, Space-Saving Design
Measuring just 21″L x 21″W x 28″H, the MasterTemp fits easily in tight spaces and retrofit installations. Advanced ignition control with flame strength sensor ensures optimal performance in any setup.
Dependable. Efficient. Smart.
The MasterTemp 250 Natural Gas heater proves that modern pool heating should be convenient, economical, and environmentally responsible—all at once.
