Hayward H150FD Natural or Propane Gas Pool Heater | 150,000 BTU
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Hayward Universal H-Series 250,000 BTU Low NOx Natural Gas Heater
Amazon.com : FibroPool Swimming Pool Heat Pump - FH255 55,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane
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Amazon.com : Raypak 266,000 BTU Natural Gas Millivolt Pool Heater : Swimming Pool Heating Products : Patio, Lawn & Garden
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1800000 BTU Lochinvar Natural Gas Copper-Fin2 Swimming Pool Heater
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Pentair MasterTemp High Performance Swimming Pool & Spa Heaters, Natural Gas, 400,000 BTU - Walmart.com
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Amazon.com : Raypak 105,000 BTU Swimming Pool and Spa Heater - Natural Gas : Patio, Lawn & Garden
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