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Apr 07, 2026 - 11:41 AM
The Pentair MasterTemp 400 is a pool and spa heater with a heating capacity of 400,000 BTU (British Thermal Units) per hour. This high output makes it suitable for quickly heating larger pools and spas.
How many BTU is a Pentair MasterTemp 400? Pentair MasterTemp 400HD Natural Gas Heater, Cupronickel, 460805, 400K BTU
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Open Apr 07, 2026 - 11:41 AM
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Pentair MasterTemp 400HD Natural Gas Heater, Cupronickel, 460805, 400K BTU
Pentair MasterTemp® 460805 Pool and Spa Heater; 400HD BTU, Natural Gas, Cupro-Nickel Tubing MASTERTEMP® HD Heavy Duty Heater: The MasterTemp HD is Pentair’s solution for those seeking maximum durability in various conditions and applications. Featuring a cupro-nickel heat exchanger, this h...
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