Pentair MasterTemp® High Performance Pool & Spa Heater Save money and energy with the MasterTemp High-Performance Heater. Already known as being dependable and efficient, MasterTemp now offers smart features and an optional energy-saving Smart Bypass Valve Kit to help you ensure your pool is ready whenever you are. Features: Smart connectivity via the Pentair Automation Systems enables you to manage pool functions anytime, anywhere. Full-text digital display combines new functions and a user-friendly menu for easy operation and diagnostics. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance. Alerts are pushed to a smart device to keep you updated on heater performance and real-time status. The optional Smart Heater Bypass valve control diverts water flow when the heater isn't needed to help save up to 35% in yearly operational costs.* Support Documents: Brochure Installation and User's Guide Direct Air Intake Duct Kit Installation Instructions Heater Checklist Orifice Adjustment Kit Instructions Submittal Data Configurations: 460792 MasterTemp 175 Natural Gas 460730 MasterTemp 200 Natural Gas 461000 MasterTemp 200 ASME Natural Gas 460732 MasterTemp 250 Natural Gas 460771 MasterTemp 250 ASME Natural Gas 460806 MasterTemp 250HD Natural Gas 460734 MasterTemp 300 Natural Gas 460736 MasterTemp 400 Natural Gas 460805 MasterTemp 400HD Natural Gas 460775 MasterTemp 400 ASME Natural Gas 461021 MasterTemp 400 ASME HD Natural Gas 462048 MasterTemp and Max-E-Therm Smart Bypass Valve Kit