Pentair MasterTemp™ 400 High Performance Pool & Spa Heater – 400,000 BTUs, Propane | EC-462029
Product Overview
The Pentair MasterTemp™ 400 High Performance Pool & Spa Heater (EC-462029) delivers powerful and efficient propane-fired heating for residential pools and spas. With an impressive 400,000 BTU output and advanced combustion design, this heater quickly raises water temperature for extended swimming seasons and comfortable spa use. Designed with a compact, corrosion-resistant exterior and intuitive controls, the MasterTemp 400 combines robust performance with quiet operation and long-lasting reliability. Pool Supply Depot
Ideal For
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Homeowners with large in-ground pools and connected spas
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Properties without natural gas access seeking propane-powered heating
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Rapid temperature increases in cool weather or off-season use
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Service professionals specifying durable, high-output gas heaters
Key Features
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400,000 BTU Output – High heat capacity for fast and effective warming of large pool volumes
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Propane Fuel – Perfect for locations without natural gas availability
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Electronic Ignition – Hot surface ignition for reliable starts without a pilot light
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Rotating Digital Display – Easy-to-read controls that rotate for convenient setup and diagnostics
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Compact, Durable Design – Rustproof exterior and weather-resistant construction for outdoor installation
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Low NOx Certified – Eco-friendly combustion helps meet strict air quality standards
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Quiet Operation – Designed for minimal noise while delivering maximum performance
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Easy Service Access – Removable panels help simplify maintenance
Customer-Facing Q&A
Q: What heating capacity does this unit provide?
A: This heater delivers 400,000 BTUs, making it suitable for heating large residential pools and spas.
Q: What fuel type does it use?
A: This model is designed for propane (LP) gas.
Q: Is it weather-resistant?
A: Yes. The exterior housing is built to withstand outdoor conditions, including sunlight and moisture.
Q: Can this heater be installed outdoors?
A: Yes. It is engineered for safe and reliable outdoor installation.
Q: Is professional installation recommended?
A: Yes. A qualified pool technician or HVAC professional should install the heater to ensure proper venting, gas supply, and electrical connections.