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Pentair Pool Heaters

All Pool Heaters

14 Pentair pool heaters. Most cost $2,138 to $4,739, and half cost less than $4,191.

All filtersFilters (1)×
Brand: Pentair  ×Clear all
BrandPentair14Raypak70
Heater typeNatural gas5Propane gas4Heat pump1
Heating output40000051250002250000220000013000001
FuelNatural gas4Propane4
Price$3,000 & above10$4,000 & above8
Clear allShow 14 Pool Heaters
Brand: Pentair  ×14 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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 - Details
Pentair

Natural gas, Natural gas

+Runs on natural gas fuel
+Suitable for both pools and spas
+400 model designation for the MasterTemp line
$4,079.00-15%List: $4,789.00
as of 11/04/2026 00:07 PST - Details
Pentair

Natural gas, 125000 Heating output, Natural gas

+125,000 BTU output suits smaller pools
+Natural gas fuel, no propane tank needed
+Limited warranty included
−Requires a natural gas line connection
$2,098.00-7%List: $2,249.00
as of 11/04/2026 00:37 PST - Details
Pentair

Propane gas, 125000 Heating output, Propane

+125,000 BTU output suits smaller pools
+Compact design for small spaces
+Propane gas fuel option
−Requires a propane supply connection
$2,138.00
as of 11/04/2026 00:37 PST - Details
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

Heat pump

+Heat pump type uses electricity instead of gas
+Heat-only operation with no cooling mode
+Runs on 230 volt, 60 hertz, single phase power
−Requires a 230 volt electrical connection
$10,358.36
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

Natural gas, 200000 Heating output, Natural gas

+Runs on natural gas with a 200,000 BTU output
+Natural gas fuel type fits homes with a gas line
+High performance heater for pool and spa use
$3,650.00
as of 11/04/2026 00:37 PST - Details
Pentair

250000 Heating output

+Rated at 250,000 BTU for heating larger pool volumes
No price recorded yet.

Pentair Pool Heaters at a glance

14 of the 107 Pool Heaters we list are Pentair (13%). Half of them cost less than $4,191; across all Pool Heaters, half cost less than $3,680.

Most listed here: Natural gas heater type (5), 400000 heating output (5), Natural gas fuel (4).

BrandPool HeatersHalf cost less than
Raypak70$3,615
Pentair14$4,191

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 gas250000Propanen/a$3,098.00
as of 11/04/2026 00:07 PST - Details
Natural gasNatural gasn/a$4,079.00
as of 11/04/2026 00:07 PST - Details
Natural gas125000Natural gasn/a$2,098.00
as of 11/04/2026 00:37 PST - Details
Propane gas125000Propanen/a$2,138.00
as of 11/04/2026 00:37 PST - Details
Propane gas400000Propanen/a$4,281.00
as of 11/04/2026 00:37 PST - Details
Heat pumpn/a$10,358.36
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
Propane gas400000Propanen/a$4,395.00
as of 11/04/2026 00:37 PST - Details
Natural gas200000Natural gasn/a$3,650.00
as of 11/04/2026 00:37 PST - Details

Before you buy

Other pool heater brands

Raypak Pool Heaters70

More from Pentair

Pool Pumps10

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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.