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Pentair Pool Heaters

All Pool Heaters

4 Pentair pool heaters. Prices run $2,098 to $4,079.

All filtersFilters (2)×
Brand: Pentair  ×Fuel: Natural gas  ×Clear all
BrandPentair4Raypak70
Heater typeNatural gas4
Heating output125000120000014000001
FuelNatural gas4Propane4
Price$3,000 & above2$4,000 & above1
Clear allShow 4 Pool Heaters
Brand: Pentair  ×Fuel: Natural gas  ×4 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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

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, 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 Pool Heaters at a glance

4 of the 107 Pool Heaters we list are Pentair (4%). Half of them cost less than $3,650; across all Pool Heaters, half cost less than $3,680.

Most listed here: Natural gas heater type (4), 125000 heating output (1), Natural gas fuel (4).

BrandPool HeatersHalf cost less than
Raypak70$3,615
Pentair4$3,650

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

Compare specs

pool heaterHeater typeHeating outputFuelSpec scorePrice
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
Natural gas400000Natural gasn/aNo current price
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

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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.