Heater Parts
Shop pool, spa, and bath heater parts for repair and maintenance. Browse heating elements, sensors, manifolds, unions, gaskets, and related components designed to restore water heating performance.
![Spa Components Flow Thru Element [5.5kW Universal 10" 115/230V] (624552)](http://www.bathandspaparts.com/cdn/shop/files/47-238-1212_XL_large.jpg?v=1777961895)
United Spas 1-3/16" HS Thermowell For 1/4" Bulb (TW107)
$18.49 $12.47
Hayward H400FD Heat Exchanger (FDXLHXA1400)
$0.00 $0.00
Hayward H350FD Heat Exchanger (FDXLHXA1350)
$1,423.99 $1,270.99
Hayward H250FD Heat Exchanger (FDXLHXA1250)
$1,344.88 $1,210.71
Hayward H200 Heat Exchanger (HAXHXA1203)
$1,449.99 $1,293.99
Hayward Above Ground Gas Valve (IDXVAL1931)
$436.99 $389.99
Hayward Spa Xi Hi Limit Rear Header (CZXHLC3105)
$159.99 $141.99
![Herga DPDT Pressure Switch [21Amp] [1-5psi] (6742-20-U226)](http://www.bathandspaparts.com/cdn/shop/files/47-345-1020_XL_large.jpg?v=1715828048)
![Hydro-Quip 5.5kW Generic Incoloy Hairpin Element [5.5kW] (12-0300-K)](http://www.bathandspaparts.com/cdn/shop/files/47-355-2000_XL_large.jpg?v=1715657703)
![Grid Controls M-310 Flow Switch [25A] [2" Slip] (57-F4-3135-T02)](http://www.bathandspaparts.com/cdn/shop/files/26-340-2015_XL_large.jpg?v=1715147606)
Grid Controls M-310 Flow Switch [25A] [2" Slip] (57-F4-3135-T02)
$198.99 $176.99
![Invensys Thermostat [1/4"] [36"] [SPST] [25A] (275-3124-00)](http://www.bathandspaparts.com/cdn/shop/files/551001_9bb2c38b-d539-4a88-ad7b-7156f3def9da_large.jpg?v=1701707347)
![Waterway Heater Tailpiece [2" Buttress Thread x 2" Spigot x 1/2" FPT Heater Flow Switch Tee] (413-2160)](http://www.bathandspaparts.com/cdn/shop/products/413-2160_d505710f-edca-4781-b11a-cc32582ebab8_large.jpg?v=1518473666)
![Therm Uni-Nut [2" MBT] [For 2-1/4" Housings] (86-02335)](http://www.bathandspaparts.com/cdn/shop/products/86-02335_large.jpg?v=1486197822)
![Therm 4.0kW Universal Flo Thru Titanium Element [9.9"] [240V] (25-4041-BI-TI)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0515_large.jpg?v=1778992158)