Swimming Pool Heat Pump - 20,000 BTU - for above and in Ground Pools and Spas -

Swimming Pool Heat Pump - 20,000 BTU - for above and in Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane Needed, Manatee M20. As temperatures decrease, performance and efficiency may be affected and can also vary depending on the size of your pool.

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