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250,000 BTU Pool Heaters and Up

All Pool Heaters

7 250,000 BTU pool heaters and up from Raypak, Pentair and Hayward. Most cost $5,761 to $7,344, and half cost less than $5,864.

Pool heaters whose title states a heating output of 250,000 BTU or more.

We do not pick by hand: a pool heater is here because its listed specs pass the checks.

All filtersFilters (1)×
Heating output: 399000  ×Clear all
BrandRaypak7
Heater typeNatural gas6Propane gas1
Heating output2660001040000010399000740600053360004300000333300032500002
Show all 11264000236000013660001
FuelNatural gas6Propane1
Price$3,000 & above6$4,000 & above6$5,000 & above6
Clear allShow 7 Pool Heaters
Heating output: 399000  ×7 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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 - Details
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 - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+399,000 BTU output for high heating capacity
+Runs on natural gas
+Cast iron ASME construction
No price recorded yet.
Raypak

Natural gas, 399000 Heating output, Natural gas

+Large 399k BTU output for heating bigger pools
+Runs on natural gas
+Digital controls for setting temperature
$5,758.15
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+Large 399K BTU output for heating bigger pools
+Runs on natural gas
+Cupro-nickel heat exchanger
$7,308.00
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+Large 399K BTU output for heating bigger pools
+Runs on natural gas
+Low NOx design
$5,867.00
as of 11/04/2026 00:49 PST - Details
Raypak

Natural gas, 399000 Heating output, Natural gas

+399,000 BTU natural gas output for faster heating
+Digital controls for setting the temperature
+Electronic ignition for starting the heater
$7,344.00
as of 11/04/2026 00:49 PST - Details

Compare specs

pool heaterHeater typeHeating outputFuelSpec scorePrice
Propane gas399000Propanen/a$5,761.10
as of 11/04/2026 00:49 PST - Details
Natural gas399000Natural gasn/a$5,861.02
as of 11/04/2026 00:49 PST - Details
Natural gas399000Natural gasn/aNo current price
Natural gas399000Natural gasn/a$5,758.15
as of 11/04/2026 00:49 PST - Details
Natural gas399000Natural gasn/a$7,308.00
as of 11/04/2026 00:49 PST - Details
Natural gas399000Natural gasn/a$5,867.00
as of 11/04/2026 00:49 PST - Details
Natural gas399000Natural gasn/a$7,344.00
as of 11/04/2026 00:49 PST - Details

Before you buy

Other uses

Hot Tubs194Pool Cleaners262Pool Pumps73Saunas1,505Pool Thermometers48Pool Chemicals & Test Kits61Handheld Pool Vacuums66Pool Brushes62Pool Maintenance Kits58Pool Vacuum Heads67Pool Skimmers & Nets65DE Pool Filters61

Popular filters

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Pool Heaters by use

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.