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Heaters

Heaters

Heaters

Hot Tub Heaters at Hot Tub OutpostAlways get great pricing on spa heaters at Hot Tub Outpost.  We carry name brand, factory direct heaters and spa heater parts from most manufacturers, like Aeware, Brett, Gecko, InTherm, Mr. Spa, Spa Builders, Therm Products, Hydro Quip, Balboa and Heat Wave.  You can also search for hot tub heaters by spa brand - like Sundance, QCA, Emerald, Coleman, Nordic, Arctic, Vita, Dynasty, Great Lakes, Evolution Spas and others.

spa heatersWe offer replacement spa heaters for most hot tubs.  Most heaters either have integrated sensors in the heater manifold, or an external pressure switch. We offer both types.  From in-line heater manifolds to trombone style heaters, Hot Tub Outpost offers thousands of hot tub parts at discount prices.  Get free shipping in the USA on all orders over $95.

Hot Tub Outpost carries many heater parts like heater elements, housing, O rings, gaskets, heater assembly, sensors and more. One popular spa heater spare part is the pressure switch.  Put teflon tape around the threads before mounting the pressure switch to the heater manifold.

spa heaters

See the troubleshooting a spa heater page if you need to take measurements for an existing heater or want additional tips.  You can also send us a photo of your heater, along with your spa brand/model, so we can make sure you order the right one. We're very helpful like that!

  • retrofit kit marquis heater 740-0514

    Marquis 12 Inch Heater Kit 740-0514 FloThru 4kW Sweep

    Now: $352.26
    RRP: $419.98
    This is a Marquis 12 Inch Heater Kit 740-0514 FloThru style with heater 4kW and sweep parts.  It is a retrofit kit that can replace a discontinued 90 degree sweep heater. Includes the sweep assembly along with 90 degree, 2x 45 degree and heater...
    Now: $352.26
    RRP: $419.98
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  • Artesian Therm 4kW 240V Spa Heater E2400-0115ET

    Artesian Therm 4kW 240V Spa Heater E2400-0115ET

    $264.01
    no longer available - DISCONTINUED  see the new Low Flow universal heater kit as a possible replacement.     4.0KW, 240V Artesian Spa Low Flow heater. This spa heater is made by Therm Products and is ideal for use in hot tub spas. Artesian...
    $264.01
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  • Coleman Spa Heater 10237

    Coleman Spa Heater 102372 4kW 220V

    Now: $169.45
    RRP: $230.99
    The original heater is discontinued, now shipping the universal replacement 15"x2" heater 4kW, 230v with unions included.  Coleman Maax spa heater 4kW at 230V. Also can be used as a 120V heater in which case the wattage is 1kW. This heater...
    Now: $169.45
    RRP: $230.99
  • Nordic Hot Tub 4kW Gecko Heater C2400-C3464-1 SSPA

    Nordic Hot Tub 4kW Gecko Heater C2400-C3464-1 SSPA

    $187.82
    This heater  C2400-C3464-1 no longer available and replaced by HYD26-0800-5S-K.   4kW heater as used in select Gecko spa packs installed in Nordic and other brand hot tubs. Gecko S-Spa 4kw, 240v replacement heater. Titanium Element With...
    $187.82
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  • 4kW Lo Flo Heater E2400-0014 with Power Cord

    Majestic Spa 4kW Lo Flo Heater E2400-0014 with Power Cord

    Now: $191.87
    RRP: $245.57
    Item Discontinued and no longer available.   Original Majestic Spa heater used in Balboa control systems. This E2400-0014 4kW heater operates at 230 volts and comes with power cord included. 1 inch outer diameter barb connection. This low flow...
    Now: $191.87
    RRP: $245.57
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  • Artesian Spas Heater OP24-0010-42 5.5kW

    Artesian Spas Heater OP24-0010-42 5.5kW

    $173.12
    Discontinued and no longer available. See C2550-5003 as a replacement. Original Artesian Spas replacement 5.5kW heater.  This is a flow through style heater. This 230v spa heater is rated at 5.5kW and used in select model Artesian Spas including...
    $173.12
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  • Laing Artesian C3484-3 4kW Heater Lo Flo

    Laing Artesian C3484-3 4kW Heater Lo Flo

    Now: $331.05
    RRP: $408.44
    This heater type currently unavailable. Low flow 230v, 4kW heater replaces select heater models used in Artesian Spas and by other hot tub brands Heater Assembly, Laing/Artesian, Low Flow, Square Back, 4.0kW, 230V, 3/4"Barb x 1" Diameter Tube, with Auto...
    Now: $331.05
    RRP: $408.44
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  • Vita Spa Vertical 4kW 240V Heater E2400-0127ET 411087

    Vita Spa Vertical 4kW 240V Heater E2400-0127ET 411087

    $374.49
    DISCONTINUED and no longer available. See the universal 4kw Vertical heater that may require plumbing modifications.   Vita Spa Vertical 4.0 KW, 240 Volt Heater Assembly 411087. This Heater is an authentic Vita spa part that replaces the Old 3.0 Kw...
    $374.49
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  • SUN6500-301 Sundance Spa Bypass Heater 5.5kw 240 Volt

    Sundance Spa Bypass Heater 5.5kW 240V 6500-301

    $377.78
    This item has been discontinued and replaced by these items: SUN6500-310 ...and sensor: SUN6600-168   Or see current model replacement heater 26-301-U-KS   Sundance Spa Bypass Heater 6500-301. 5.5Kw, 240 Volt. USA/Canada...
    $377.78
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  • Sundance Spa 120 Volt 1 kW Heater Complete

    Sundance Spa 120 Volt 1 kW Heater 6500-052

    Now: $95.48
    RRP: $218.06
    This item has been discontinued and no longer available.   Sundance Spa 1 kW, 120 VAC Suntub Heater, 1994-4/1998. Comes with 2 Tail Pieces And 2 Gaskets. C1100-0006. PART USED IN: Suntub Electronic Assembly (1993-03/1996)
    Now: $95.48
    RRP: $218.06
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  • Sundance Smart Heater Oring

    Sundance Smart Heater Oring RMG-55A4879-1

    Now: $16.40
    RRP: $22.77
    This item has been discontinued and is no longer available. RMG-55A4879-1 Sundance Smart Heater Oring. Sundance Part Number 6500-310 or RMG-55A4879-1 is a factory original Sundance Spa part. We offer a wide variety of original Sundance Spa plumbing...
    Now: $16.40
    RRP: $22.77
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  • Marquis Spa 9.5 Inch CC 12 heater

    Marquis Spa 9.5 Inch CC 120 Volt Heater 740-0574

    $129.68
    This heater has been discontinued as Therm Products is no longer manufacturing heaters.  No longer available.       Marquis Spa 9.5 Inch CC 120 Volt Heater. Used In 1998 Spirit LS and in the 1998 MTS Series. Used In 1997 Serenity CS...
    $129.68
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  • Marquis Spa 8.5 Inch SC 120 Volt Heater

    Marquis Spa 8.5 Inch SC 120 Volt Heater 740-0599

    Now: $87.64
    RRP: $384.21
    item is discontinued.     Marquis Spa 8.5 Inch SC 120 Volt Heater 740-0599 or Balboa And Leisure Series. Used In 1999 Spirit LS And Haven LS Models. Used In 1998 Spirit LS And Haven LS Models. Used In 1997 Spirit LS, Escape LS And Haven LS...
    Now: $87.64
    RRP: $384.21
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  • Jacuzzi Spa Heater Select Series Palio

    Jacuzzi® Spa Heater Select Series Palio

    $151.56
    This item is discontinued and no longer available. JAC2000-302   Jacuzzi® Spa Heater With Pressure Switch Tap. Select Series Palio. Z112, R400. Heater Measures 8 3/4 Inches Long, 1.5 Inch Plumbing. Comes With Tailpieces And Gaskets As Shown.
    $151.56
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  • Jacuzzi Spa Heater 5.5 KW Vertical Platinum 2000-2001

    Jacuzzi® Spa Heater 5.5 KW Vertical Platinum 2000-2001

    $377.29
    Part 6500-310 replaces this discontinued heater. Or see 26-301-U-KS Jacuzzi® Spa Heater, 5.5 Kw Vertical Platinum Series (2000-2001). Used On Models: R270, R300, R280, R290, R310, S125, And All 2001 Platinum Series Models. Body Only Measures 13...
    $377.29
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  • Low Flow Dimension One 4 KW Heater New Style

    Low Flow Dimension One 4 KW Heater E2400-0004

    Now: $150.43
    RRP: $294.65
    Heater discontinued and no longer available.   DIMENSION ONE, 4 Kw Low Flow Heater Assembly, New Style. Replacement Heater For All 1995-1996 Dimension One Spas With The Crystal Pure Water Management System. Dimension One Part #01563-12. 3 Inch X...
    Now: $150.43
    RRP: $294.65
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  • Caldera Spa Heater 5.5kw Low Flow Vent Left

    Caldera Spa Heater 5.5kw Low Flow Vent Left

    $211.85
    DISCONTINUED - see aftermarket replacement vertical heater kit 27-V310-7T-K Caldera Spa 5.5 KW 240 Volt, Low Flow Heater, Vents To The Left. E2550-0001   ot Tub Outpost is an independent business entity and is not an agent or affiliate of Caldera...
    $211.85
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  • Caldera Spa Heater 4.0kw 240V Low Flow Vent Right

    Caldera Spa Heater 4.0kw 240V Low Flow Vent Right

    Now: $131.64
    RRP: $257.85
    DISCONTINUED - see vertical heater kit  27-V310-5T-K     Caldera Spa 4.0 KW, 240 Volt, Low Flow Heater, Vents To The Right. ( RMS E2400-0201ET) - E2400-0201ET. This Heater Also Available In 5.5Kw (Special Deal). Call For Details,...
    Now: $131.64
    RRP: $257.85
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  • Cal Spa 2 Inch Heater Union Tailpiece Long

    Cal Spa 2 Inch Heater Union Tailpiece Long

    Now: $2.21
    RRP: $4.01
    CAL SPA 2 Inch Heater Tailpiece, Without Oring. Oring Or Gasket Sold Separately, Note this part is discontinued and no longer available and is substituted with the standard Cal Spa heater tailpiece.  Only difference was that this one was a little...
    Now: $2.21
    RRP: $4.01
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  • Cal Spa 2 Inch Flow Through Heater 5.5kW CALHEA14100000

    Cal Spa 2 Inch Flow Through Heater 5.5kW CALHEA14100000

    $172.06
    This heater is no longer available - see the current model substitute heater B24045G Or the factory original 5.5kW universal heater HEA14100001 Cal Spa Flow Through Heater, 5.5kw, 2 Inch, 240 Volts. C2550-0321A. This Heater Tube Measures 15 1/2 Inches...
    $172.06
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  • Cal Spa 2 Inch Flow Through Heater 4.5kW

    Cal Spa 2 Inch Flow Through Heater 4.5kW

    Now: $95.17
    RRP: $172.06
    This heater HEA14100001 is discontinued - see /compare the 5.5kW heater HEA141000001   Cal Spa Flow Through Heater, 4.5kw, 2 Inch, 240 Volts.   The Replacement Heater You Will Receive Is Part #HEA14100000. The Replacement Heater Is Identical...
    Now: $95.17
    RRP: $172.06
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  • Advanced Spa Heater Replacement 5.5kW 230V

    Advanced Spa Heater C2550-0736 5.5kW 230V 15x2

    $164.85
    This C2550-0736 Advanced Spa replacement heater is discontinued and is no longer available.  See substitute heaters 26-0736-7S-K  or alternate heater 48-1555-HS       Heater measures 15" x 2" and is rated at 5.5kW at 230...
    $164.85
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  • DreamMaker Balboa Heater 1kW 4kW for RS100 462014

    DreamMaker Balboa Heater 1kW 4kW for RS100 462014

    Now: $200.47
    RRP: $322.75
    DreamMaker Balboa spa heater operates at 120v with 1kW rating and 230v with 4kW rating.   NO LONGER AVAILABLE = see 403471 for replacement. Note that this model 462014 is no longer available and there is a substitute heater that is 3 inches...
    Now: $200.47
    RRP: $322.75
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  • Vita Spa Heater 4kW Vertical Low Flow 230V E2400-0127ETX

    Vita Spa Heater 4kW Vertical Low Flow 230V E2400-0127ETX

    $374.49
    DISCONTINUED and NO LONGER AVAILABLE This item is a discontinued heater. There are currently no direct replacements. See the universal 4kw Vertical heater that may require plumbing modifications.     Vertical replacement low flow heater for...
    $374.49
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