The Pentair MasterTemp Pool & Spa Heater combines quality construction with straightforward installation.

The Pentair MasterTemp 461059 Pool & Spa Heater provides 125,000 BTU of trustworthy natural gas heating designed specifically for small to medium residential pools and spas. Built for energy-efficient operation and consistent performance, the MasterTemp series delivers fast warm-ups, quiet combustion cycles, and long-lasting construction that stands up to outdoor environments.

Equipped with a high-efficiency heat exchanger and intuitive digital temperature controls, the 461059 model delivers comfortable water warmth while optimizing fuel use. Its compact footprint and straightforward installation make it a great choice for tight equipment pads, retrofit projects, or adding heating capability where space is limited.

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