Amazon.com : Pentair EC462025 MasterTemp 125 125,000 BTU Compact Energy Efficient Swimming Pool and Spa Propane Gas Heater for Small Pools Up to 15,000 Gallons : Patio, Lawn & Garden
Raypak Model 106 Analog Control 105,000 BTU, Propane Gas
Gas Pool Heaters | Buyers Guide, Features and Best Brands
Amazon.com : FibroPool Swimming Pool Heat Pump - FH120 20,000 BTU - for Above and In Ground Pools and Spas - High Efficiency, All Electric Heater - No Natural Gas or Propane
Lochinvar EnergyRite152 Gas Pool Heater | 150,000 BTU