The MasterTemp Natural Gas High Performance Heater delivers 400,000 BTU of efficient heating power, designed to quickly and reliably raise your pool temperature. Engineered for durability and optimal performance, it ensures consistent warmth while minimizing energy consumption. Ideal for pool owners seeking a robust, high-capacity heating solution that balances power with efficiency.
BTU Output: 400,000 BTU/hr
Fuel Type: Natural Gas
Heat Exchanger: Cupro-Nickel (corrosion- and chemical-resistant for long life)
Efficiency: 84% thermal efficiency
Ignition: Hot-surface ignition system
Controls: Digital display with temperature control and diagnostic indicators
Emissions: Low NOx design (meets strict air quality standards)
Housing: Corrosion-resistant, compact design for easy equipment pad placement
Connections: 2-inch plumbing connections
Application: Pools and spas up to 40,000+ gallons (varies by climate and usage)
Weight: Approximately 127 lbs
Safety Features: Water pressure switch, high limit switch, stack flue sensor
Certification: Certified for outdoor use and available with optional venting kits for indoor installations
Residential: 2 - year parts and labor warranty Commercial: 1 - year parts and labor (warranty is provided by the manufacturer)
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.