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Pentair Pool Heaters

All Pool Heaters

5 Pentair pool heaters. Prices run $4,281 to $4,739.

All filtersFilters (2)×
Brand: Pentair  ×Heating output: 400000  ×Clear all
BrandPentair5Raypak70
Heater typeNatural gas2Propane gas2
Heating output40000051250002250000220000013000001
FuelPropane2Natural gas1
Price$3,000 & above4$4,000 & above4
Clear allShow 5 Pool Heaters
Brand: Pentair  ×Heating output: 400000  ×5 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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 - Details
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.
Pentair

Natural gas, 400000 Heating output, Inground

+Rated at 400,000 BTU for inground pool heating
+Runs on natural gas fuel
+Suitable for both pools and spas
$4,499.00
as of 11/04/2026 00:37 PST - Details
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 - Details

Pentair Pool Heaters at a glance

5 of the 107 Pool Heaters we list are Pentair (5%). Half of them cost less than $4,447; across all Pool Heaters, half cost less than $3,680.

Most listed here: Natural gas heater type (2), 400000 heating output (5), Propane fuel (2).

BrandPool HeatersHalf cost less than
Raypak70$3,615
Pentair5$4,447

Counts and prices are this site's own listings; prices are the ones shown on the cards.

Compare specs

pool heaterHeater typeHeating outputFuelSpec scorePrice
Propane gas400000Propanen/a$4,281.00
as of 11/04/2026 00:37 PST - Details
Natural gas400000Natural gasn/aNo current price
Natural gas400000n/a$4,499.00
as of 11/04/2026 00:37 PST - Details
400000n/a$4,739.00
as of 11/04/2026 00:37 PST - Details
Propane gas400000Propanen/a$4,395.00
as of 11/04/2026 00:37 PST - Details

Before you buy

Other pool heater brands

Raypak Pool Heaters70

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All Pool Heaters: popular filters

Natural Gas Pool Heaters42Pool Heaters: Natural Gas41Heat Pump Pool Heaters28Pool Heaters: Propane23Pool Heaters for Inground Pools12266,000 BTU Pool Heaters10400,000 BTU Pool Heaters10Pool Heaters for Inground and Above-Ground Pools9

All Pool Heaters by use

Inground Pool Heaters20Above Ground Pool Heaters12250,000 BTU Pool Heaters and Up48

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