The Pentair MasterTemp 250,000 BTU LO-NOX natural gas pool heater has several advanced features that distinguish them from other lines. A digital display makes for simple temperature-maintenance and electronic ignition allows for easy turn-on. These models can be run on natural gas and are designed for low NOx emissions.

Features:

• Very compact design for such a high performance heater allows for smaller overall equipment pads that won't intrude on your poolscape.
• Easy to install or retrofit in even the tightest spaces.
• A fully pre-mixed system with a highly efficient air and gas mixture lets MasterTemp heat up fast. No long waits before enjoying your pool or spa.
• Compare energy efficiency ratings and you'll find MasterTemp at the top of the list. Comfort and economy can go together.
• With a hot surface ignition (no pilot light) and pushbutton, digital controls, MasterTemp is as easy to operate as your home heating system. Plus, user-friendly indicator lights make system operation and monitoring a snap.
• The easy-to-view, rotating digital display places controls front and center, no matter how MasterTemp is positioned on your equipment pad.
• MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time.
• A tough, composite exterior handles the heat and weathers the elements.
• Safe operation is assured through a series of features, including; a water pressure switch that senses the pump is running to prevent overheating; high limit switches assure the heater turns off if water temperature exceeds factory set limits; manual gas shut-off when service is required; stack flue sensor also guards against overheating.
• Approved for installation on combustible surfaces.