Pool Heating & Cooling: Heaters

Pool and spa heaters designed to deliver consistent, comfortable water temperatures in any season.

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    PENTAIR WATER POOL AND SPA INC ORING 5/16" TEMP SENSOR | 9142109Z
    SKU: 9142109Z
    $17.25
    $26
    In stock
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    PENTAIR IGNITOR HOT SURFACE W/GSKT 500-2000
    SKU: 2400-286
    $148.20
    $223
    In stock
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    Pentair Dryer Sngl Dir For .5" Nla .5"
    SKU: 473121Z
    $99.90
    $150
    In stock
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    PENTAIR WATER POOL AND SPA INC WATER COIL REPAIR KIT TURBOTEC | 474270Z
    SKU: 474270Z
    $101.02
    $152
    In stock
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    Pentair 473744Z High Pressure Switch For UltraTemp® Heat Pump; 600/380
    PENTAIR SWTCH 600/380 HIGH PRESS 473744Z
    SKU: 473744Z
    $95
    $148
    In stock
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    PENTAIR WATER POOL AND SPA INC REPL INLET WATER PLUMBING ETI250 | 476376
    SKU: 476376
    $428.71
    $644
    In stock
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    PENTAIR WATER POOL AND SPA INC AUTOHEAT PUMP CONTACTOR 473603Z | 473603Z
    SKU: 473603Z
    $292.70
    $440
    Out of stock
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    PENTAIR WATER POOL AND SPA INC REPL AIR FLOW SWITCH ASSY ETI250 | 476365
    SKU: 476365
    $217.18
    $326
    In stock
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    Pentair MasterTemp 125 Thermal Regulator | 474989
    Pentair MasterTemp 125 Thermal Regulator | 474989
    SKU: 474989
    $70.74
    $107
    In stock
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    PENTAIR WATER POOL AND SPA INC REPL BURNER F/ POOL HEATER ETI250 | 476383
    SKU: 476383
    $198.55
    $298
    In stock
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    PENTAIR UNION AND TIEDWN RPLC ULTRATEMP
    SKU: 461030Z
    $76.73
    $116
    In stock
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    Pentair MasterTemp 125 Union 1.5" Kit | 474974
    SKU: 474974
    $75.96
    $114
    In stock
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    PENTAIR WATER POOL AND SPA INC REPL CONTROL COVER F/ ETI HTR 475619 | 475619
    SKU: 475619
    $32.63
    $49
    In stock
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    PENTAIR WATER POOL AND SPA INC REPLACEMENT BLOWER GASKET ETI250 | 476421
    SKU: 476421
    $28.76
    $44
    In stock
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    PENTAIR WATER POOL AND SPA INC HEAT EXCHANGER OUTLET FITTING ETI250 ETI400 GAS | 461104
    SKU: 461104
    $91.34
    $138
    In stock
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    PENTAIR WATER POOL AND SPA INC REPL WATER BYPASS ASSY F/ HTR ETI250 | 476380
    SKU: 476380
    $61.10
    $92
    In stock
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    PENTAIR WATER POOL AND SPA INC REPL VALVE ASSY F/ POOL HEATER ETI250 GAS | 476409
    SKU: 476409
    $432.74
    $650
    In stock
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    PENTAIR WATER POOL AND SPA INC REPL CONDENSATE FLT SW ASSY 476366 | 476366
    SKU: 476366
    $239
    $372
    In stock
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    PENTAIR WATER POOL AND SPA INC HEAT EXCHANGER INLET FITTING ETI250 ETI400 GAS | 461103
    SKU: 461103
    $91.34
    $138
    In stock
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    PENTAIR WATER POOL AND SPA INC REPL CONTROL BOARD ASSY 476384 | 476384
    SKU: 476384
    $169.34
    $255
    In stock
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    PENTAIR WATER POOL AND SPA INC IGNITION CONTROL MODULE REPL 476385 | 476385
    SKU: 476385
    $269.01
    $404
    In stock
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    PENTAIR WATER POOL AND SPA INC FAN MOTOR W/ACORN NUT MINIMAX PLUS | 470289
    SKU: 470289
    $271.64
    $408
    In stock
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    LOCHINVAR CORPORATION CAST IRON ASME HEATER ERN-152-A 100143200 150KBTU NG | 100143200
    SKU: 100143200
    $3,344.90
    $5,018
    In stock
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    Lochinvar EnergyRite® 100143209 ERN-202-A Natural Gas Pool and Spa Heater 199K BTU; 120/240V, Cast Iron Header, Copper Tubing
    Lochinvar EnergyRite® Natural Gas Pool and Spa Heater 199K BTU | 100143209
    SKU: 100143209
    $3,659
    $5,702
    In stock