Raypak
Natural gas, 406000 Heating output, Natural gas
+Large 406,000 BTU output for heating bigger pools
+Runs on natural gas
+Digital electronic ignition
$3,489.00-21%List: $4,426.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Large 406,000 BTU output for heating bigger pools
+Runs on natural gas
+Digital electronic ignition
Compared with the 48 Pool Heaters on this page+406000 heating output: the highest heating output of the 48 here
How pros and cons are picked (About: Disclaimer) About this product
Pentair
Propane gas, 250000 Heating output, Propane
+Rated at 250,000 BTU for pool heating
+Runs on propane gas fuel
+Pentair MasterTemp heater brand name for pool use
−Requires a propane gas supply to operate
$3,098.00-17%List: $3,739.00
as of 11/04/2026 00:07 PST - DetailsProduct details
Pros+Rated at 250,000 BTU for pool heating
+Runs on propane gas fuel
+Pentair MasterTemp heater brand name for pool use
Cons−Requires a propane gas supply to operate
Compared with the 48 Pool Heaters on this page−250000 heating output: 46 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 406000 Heating output, Propane
+Large 406,000 BTU output for heating bigger pools
+Runs on propane
+Digital electronic ignition
−Requires propane fuel supply
$3,489.00-17%List: $4,200.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Large 406,000 BTU output for heating bigger pools
+Runs on propane
+Digital electronic ignition
Cons−Requires propane fuel supply
Compared with the 48 Pool Heaters on this page+406000 heating output: the highest heating output of the 48 here
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 336000 Heating output, Propane
+336,000 BTU output for heating a pool
+Runs on propane
+Digital electronic ignition
$3,199.00-12%Was: $3,632.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+336,000 BTU output for heating a pool
+Runs on propane
+Digital electronic ignition
Compared with the 48 Pool Heaters on this page−336000 heating output: 24 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 300000 Heating output, Natural gas
+Delivers 300000 BTU for large pool heating
+Runs on natural gas fuel
+Polymer header and cupronickel tubing
$3,699.00-12%List: $4,207.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Delivers 300000 BTU for large pool heating
+Runs on natural gas fuel
+Polymer header and cupronickel tubing
+Digital control for temperature settings
Compared with the 48 Pool Heaters on this page−300000 heating output: 31 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 400000 Heating output, Inground, Propane
+400K BTU output for heating larger inground pools
+Runs on propane fuel
+Built for inground pool and spa use
−Requires a propane supply rather than electric hookup
$3,799.00-10%List: $4,199.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+400K BTU output for heating larger inground pools
+Runs on propane fuel
+Built for inground pool and spa use
Cons−Requires a propane supply rather than electric hookup
Compared with the 48 Pool Heaters on this page+400000 heating output: only 5 of 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 266000 Heating output, Natural gas
+Natural gas fuel type for homes with a gas line
+266,000 BTU output for large pools
+Digital electronic ignition
$3,087.31-8%List: $3,374.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Natural gas fuel type for homes with a gas line
+266,000 BTU output for large pools
+Digital electronic ignition
Compared with the 48 Pool Heaters on this page−266000 heating output: 34 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 336000 Heating output, Natural gas
+336,000 BTU output for heating a pool
+Runs on natural gas
+Digital electronic ignition
$3,615.00-6%List: $3,841.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+336,000 BTU output for heating a pool
+Runs on natural gas
+Digital electronic ignition
Compared with the 48 Pool Heaters on this page−336000 heating output: 24 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 266000 Heating output, Natural gas
+266,000 BTU output for faster pool heating
+Runs on natural gas
+Polymer header and copper tubing
$2,994.48-6%Was: $3,179.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+266,000 BTU output for faster pool heating
+Runs on natural gas
+Polymer header and copper tubing
Compared with the 48 Pool Heaters on this page−266000 heating output: 34 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Hayward
Propane gas, 400000 Heating output, Inground, Propane
+400,000 BTU output for fast heating of large inground pools
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
−Propane fuel requires a propane supply connection
$5,099.00
as of 11/03/2026 23:21 PST - DetailsProduct details
Pros+400,000 BTU output for fast heating of large inground pools
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
+Universal H-Series model for inground pool installs
Cons−Propane fuel requires a propane supply connection
Compared with the 48 Pool Heaters on this page+400000 heating output: only 5 of 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Pentair
Propane gas, 400000 Heating output, Propane
+Rated at 400,000 BTU for larger pool heating
+Runs on propane gas fuel
+High performance MasterTemp model for pool use
−Requires a propane gas supply to operate
$4,281.00
as of 11/04/2026 00:37 PST - DetailsRaypak
Natural gas, 336000 Heating output, Natural gas
+Delivers 336000 BTU for a large pool heating load
+Runs on natural gas fuel
+Natural gas type for homes with a gas line
−Very high BTU output may be more than small pools need
$3,835.09
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Delivers 336000 BTU for a large pool heating load
+Runs on natural gas fuel
+Natural gas type for homes with a gas line
Cons−Very high BTU output may be more than small pools need
Compared with the 48 Pool Heaters on this page−336000 heating output: 24 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 400000 Heating output, Inground, Natural gas
+400K BTU output for heating larger inground pools
+Runs on natural gas fuel
+Built for inground pool and spa use
−Requires a natural gas line rather than electric hookup
$4,298.99
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+400K BTU output for heating larger inground pools
+Runs on natural gas fuel
+Built for inground pool and spa use
Cons−Requires a natural gas line rather than electric hookup
Compared with the 48 Pool Heaters on this page+400000 heating output: only 5 of 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 266000 Heating output, Natural gas
+266,000 BTU output for heating a pool
+Runs on natural gas
+Millivolt controls for simple operation
−Millivolt controls rather than digital controls
$3,254.73
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+266,000 BTU output for heating a pool
+Runs on natural gas
+Millivolt controls for simple operation
Cons−Millivolt controls rather than digital controls
Compared with the 48 Pool Heaters on this page−266000 heating output: 34 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) Pentair
Propane gas, 400000 Heating output, Propane
+400,000 BTU output for larger pools
+Low NOx emissions design
+Propane gas fuel option
−Requires a propane supply connection
$4,395.00
as of 11/04/2026 00:37 PST - DetailsProduct details
Pros+400,000 BTU output for larger pools
+Low NOx emissions design
+Propane gas fuel option
+Limited warranty included
Cons−Requires a propane supply connection
Compared with the 48 Pool Heaters on this page+400000 heating output: only 5 of 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 406000 Heating output, Propane
+406,000 BTU output for high heating capacity
+Runs on propane
+Built for 3,000 to 5,000 foot elevation
−Propane fuel requires a propane supply
$4,200.00
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+406,000 BTU output for high heating capacity
+Runs on propane
+Built for 3,000 to 5,000 foot elevation
Cons−Propane fuel requires a propane supply
Compared with the 48 Pool Heaters on this page+406000 heating output: the highest heating output of the 48 here
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 300000 Heating output, Propane
+300,000 BTU output for faster pool heating
+Runs on propane
+Cupro-nickel heat exchanger
−Propane fuel requires a propane supply
No price recorded yet.
Product details
Pros+300,000 BTU output for faster pool heating
+Runs on propane
+Cupro-nickel heat exchanger
Cons−Propane fuel requires a propane supply
Compared with the 48 Pool Heaters on this page−300000 heating output: 31 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 264000 Heating output, Natural gas
+264,000 BTU output for large pools
+Runs on natural gas
+Digital control with WiFi readiness
−Requires a natural gas line and venting
$4,005.01
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+264,000 BTU output for large pools
+Runs on natural gas
+Digital control with WiFi readiness
+Low NOx emissions design
Cons−Requires a natural gas line and venting
Compared with the 48 Pool Heaters on this page−264000 heating output: 44 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) Raypak
Propane gas, 264000 Heating output, Propane
+264,000 BTU output for large pools
+Propane fuel suits homes without natural gas lines
+Low NOx emissions design
−Requires propane supply and venting
$3,387.59
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+264,000 BTU output for large pools
+Propane fuel suits homes without natural gas lines
+Low NOx emissions design
+Runs on 120 to 240V power
+Polymer header and copper tubing
Cons−Requires propane supply and venting
Compared with the 48 Pool Heaters on this page−264000 heating output: 44 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 266000 Heating output, Propane
+266,000 BTU output for faster pool heating
+Runs on propane
+Cast iron ASME construction
−Propane fuel requires a propane supply
$4,043.89
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+266,000 BTU output for faster pool heating
+Runs on propane
+Cast iron ASME construction
Cons−Propane fuel requires a propane supply
Compared with the 48 Pool Heaters on this page−266000 heating output: 34 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 336000 Heating output, Natural gas
+336,000 BTU output for heating a pool
+Runs on natural gas
+Millivolt controls for simple operation
−Millivolt controls rather than digital controls
$3,669.13
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+336,000 BTU output for heating a pool
+Runs on natural gas
+Millivolt controls for simple operation
Cons−Millivolt controls rather than digital controls
Compared with the 48 Pool Heaters on this page−336000 heating output: 24 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) Raypak
Natural gas, 360000 Heating output, Natural gas
+Delivers 360000 BTU for large pool heating
+Runs on natural gas fuel
+Polymer header and cupronickel tubing
−Very high BTU output may be more than small pools need
No price recorded yet.
Product details
Pros+Delivers 360000 BTU for large pool heating
+Runs on natural gas fuel
+Polymer header and cupronickel tubing
+Digital control for temperature settings
Cons−Very high BTU output may be more than small pools need
Compared with the 48 Pool Heaters on this page+360000 heating output: 24 of the 48 here have a lower heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 406000 Heating output, Propane
+Delivers 406000 BTU for very large pool heating
+Runs on propane gas fuel
+Millivolt design for propane operation
−Very high BTU output may be more than small pools need
$3,929.42
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Delivers 406000 BTU for very large pool heating
+Runs on propane gas fuel
+Millivolt design for propane operation
Cons−Very high BTU output may be more than small pools need
Compared with the 48 Pool Heaters on this page+406000 heating output: the highest heating output of the 48 here
How pros and cons are picked (About: Disclaimer) Raypak
Propane gas, 266000 Heating output, Propane
+High 266,000 BTU output for large pools
+Runs on propane fuel
+Millivolt ignition works without household electricity
−Requires propane supply and venting
No price recorded yet.
Product details
Pros+High 266,000 BTU output for large pools
+Runs on propane fuel
+Millivolt ignition works without household electricity
Cons−Requires propane supply and venting
Compared with the 48 Pool Heaters on this page−266000 heating output: 34 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 399000 Heating output, Propane
+Rated at 399,000 BTU for larger pools
+Runs on propane gas fuel
+Digital controls for setting temperature
−Requires a propane gas supply
$5,761.10
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Rated at 399,000 BTU for larger pools
+Runs on propane gas fuel
+Digital controls for setting temperature
+Cupro nickel heat exchanger
Cons−Requires a propane gas supply
Compared with the 48 Pool Heaters on this page+399000 heating output: 26 of the 48 here have a lower heating output
How pros and cons are picked (About: Disclaimer) About this product
Pentair
Natural gas, 400000 Heating output, Natural gas
+400,000 BTU output for larger pools
+Natural gas fuel, no propane tank needed
+Titanium heat exchanger for corrosion resistance
−Requires a natural gas line connection
No price recorded yet.
Product details
Pros+400,000 BTU output for larger pools
+Natural gas fuel, no propane tank needed
+Titanium heat exchanger for corrosion resistance
Cons−Requires a natural gas line connection
Compared with the 48 Pool Heaters on this page+400000 heating output: only 5 of 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Propane gas, 266000 Heating output, Propane
+Rated at 266,000 BTU for heating pools and spas
+Runs on propane gas fuel
+Digital display for temperature control
−Requires a propane gas supply
No price recorded yet.
Product details
Pros+Rated at 266,000 BTU for heating pools and spas
+Runs on propane gas fuel
+Digital display for temperature control
Cons−Requires a propane gas supply
Compared with the 48 Pool Heaters on this page−266000 heating output: 34 of the 48 here have a higher heating output
How pros and cons are picked (About: Disclaimer) About this product
Raypak
Natural gas, 399000 Heating output, Natural gas
+Large 399K BTU output for heating bigger pools
+Runs on natural gas
+Low NOx design
$5,861.02
as of 11/04/2026 00:49 PST - DetailsProduct details
Pros+Large 399K BTU output for heating bigger pools
+Runs on natural gas
+Low NOx design
+Digital IID ignition control
+ASME I bronze headers
Compared with the 48 Pool Heaters on this page+399000 heating output: 26 of the 48 here have a lower heating output
How pros and cons are picked (About: Disclaimer) About this product
