The Pentair MasterTemp® High Performance Gas Heater (250K & 400K) is the industry standard for fast, efficient, and reliable pool heating. Available in Natural Gas (NG) and Liquid Propane (LP), this compact heater features a best-in-class 84% thermal efficiency rating. Engineered with a rustproof composite exterior and a rotating digital display, the MasterTemp fits easily on crowded equipment pads while delivering ultra-quiet operation. Its eco-friendly, low NOx design ensures powerful performance with minimal environmental impact, making it the top choice for both residential and commercial pools.
Key Features
- Fast Heat-Up Times: High-performance burners get your pool or spa to the perfect temperature in record time.
- 84% Thermal Efficiency: Maximizes energy savings, ensuring nearly every dollar spent on gas goes into heating your water.
- Compact Design: Small footprint allows for flexible installation on tight equipment pads.
- Rotating Digital Display: User-friendly interface rotates into three positions for easy monitoring and programming.
- Low NOx Emissions: Certified eco-friendly design meets the strictest air quality standards.
- Durable & Rustproof: Tough composite housing stands up to harsh weather and corrosive pool chemicals.
Specifications
Engineered for rapid heat-up and high efficiency (84% Thermal Rating). This compact heater features a rustproof composite exterior and a low NOx design, making it ideal for residential and commercial pools.
?? Critical Safety Warnings
- Winterization: Always drain the heat exchanger completely in freezing climates using the side drain plug to prevent cracked headers.
- Chemical Balance: Maintain pH between 7.2-7.8. Corrosive water will void the warranty on copper heat exchangers.
- Standard NG SKU: 460732 | Standard LP SKU: 460733.
MasterTemp High Performance Gas Heater
Pentair
Pickup available at Online Only
Usually ready in 24 hours
Warranty
What installation covers
Gas Heater Installation Option Details: Covers replacement of an existing gas heater only. Includes up to 20 feet of pipe, 8 fittings, one three-way valve, and one check valve for plumbing connections. Includes electrical connection of no more than 5 feet to the unit. The electrical panel used to feed the gas heater must have sufficient capacity for the unit’s amp draw. The gas meter must have sufficient pressure to properly supply the gas heater. Does not include pricing if the unit is installed inside a room that requires ventilation. There must be a clear passway or walkway from the installation site to the driveway where the technician’s vehicle is parked. Price includes removal of the old unit, if needed. Service available in Miami-Dade, Broward, and Monroe counties. (Please note that installation costs are not included in the equipment price. Installation services are sold separately.)
