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.
![Coates Heater 5.5kW Threaded Screwplug Element [240v] [w/Gaskets] (20005061)](http://www.bathandspaparts.com/cdn/shop/files/47-225-1002_XL_large.jpg?v=1715036728)
Coates Heater Thermostat #22002150 (22002150)
$201.99 $179.99
Coates Heater Flow Switch (23000105)
$181.99 $134.99
![Coates 18kW Flange Element [240v] (20006011)](http://www.bathandspaparts.com/cdn/shop/files/47-225-1720_XL_large.jpg?v=1715036705)
![Coates 15kW 4-Bolt Flange Element [208v] [w/Gasket] (20006004)](http://www.bathandspaparts.com/cdn/shop/files/20006004_XL_large.jpg?v=1715036705)
Coates 15kW 4-Bolt Flange Element [208v] [w/Gasket] (20006004)
$318.99 $284.49
![CMP Spa Thermowell [Dk Gray] (25255-007-000)](http://www.bathandspaparts.com/cdn/shop/files/47-605-1000_XL_large.jpg?v=1713671795)
CMP Spa Thermowell [Dk Gray] (25255-007-000)
$12.49 $6.99
![Balboa Pressure Switch [3A] [1/8" MPT] [SPST] (30408)](http://www.bathandspaparts.com/cdn/shop/files/47-110-1800_XL_large.jpg?v=1713397812)
Balboa Pressure Switch [3A] [1/8" MPT] [SPST] (30408)
$103.49 $82.49
![Sundance Flow Switch [In-Ground] [5ft Cable] (SD6560-646)](http://www.bathandspaparts.com/cdn/shop/files/26-320-1000_XL_large.jpg?v=1713235320)
Sundance Flow Switch [In-Ground] [5ft Cable] (SD6560-646)
$104.99 $83.99
![Hydro-Quip 4.0kW Heater Element Coil [120V/240V] [Titanium] (12-0602F-K)](http://www.bathandspaparts.com/cdn/shop/products/12-0600F-K_889d178f-d20c-4e07-9821-cbf50e63d8e1_large.jpg?v=1573156878)
![Waterway Thru-Wall Thermowell Thermosensor With Probe Protector [3/8" ID] (400-4380)](http://www.bathandspaparts.com/cdn/shop/products/47-138-1000_XL_large.jpg?v=1486205360)
![Waterway 90° Thermowell And Bleeder [2" Slip x 2" Spigot x 1" Slip x 3/8" Bleed] (400-6031)](http://www.bathandspaparts.com/cdn/shop/products/47-270-1100_XL_large.jpg?v=1486201697)
![Therm Uni-Nut] [2-1/2" MBT] [For 3" Housings] [w/O Retainer] (86-02370)](http://www.bathandspaparts.com/cdn/shop/products/86-02370_large.jpg?v=1486197834)
![Therm Uni-Nut Retainer [2-1/2"] [For 3" Housings] (86-02360)](http://www.bathandspaparts.com/cdn/shop/products/86-02360_large.jpg?v=1486197827)
![Therm Uni-Nut Retainer [2"] [For 2-1/4" Housings] (86-02336)](http://www.bathandspaparts.com/cdn/shop/products/86-02336_large.jpg?v=1486197826)
![Therm Uni-Nut Retainer [1-1/2"] [For 1-9/10" Housings] (86-02339)](http://www.bathandspaparts.com/cdn/shop/products/86-02339_large.jpg?v=1486197824)
![Therm Uni-Nut Retainer [1-1/2"] [For 1-5/8" Housings] (86-02348)](http://www.bathandspaparts.com/cdn/shop/products/86-02348_large.jpg?v=1486197823)
![Therm Uni-Nut [1-1/2" MBT] [For 1.9" or 1-5/8" Housings] (86-02338)](http://www.bathandspaparts.com/cdn/shop/products/86-02338_large.jpg?v=1486197820)
![Therm Thermowell [1/2" MPT, 5/16" x 4"] (78-30201) 990180](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0918_large.jpg?v=1778992350)
![Therm Sundance Style 17" Housing W/ QD [1-1/2" MPT x 1-1/2" Slip] (A-23FP)](http://www.bathandspaparts.com/cdn/shop/products/47-238-1402_xl_large.jpg?v=1486197788)
![Therm Standard Flange Adapter Kit [1-1/4" Threaded] (20-0152)](http://www.bathandspaparts.com/cdn/shop/products/47-371-1451_xl_large.jpg?v=1681238575)
![Therm Standard Flange Adapter Kit [1" Threaded] (20-0151)](http://www.bathandspaparts.com/cdn/shop/products/47-371-1450_xl_large.jpg?v=1486197772)
![Therm Stainless Thermowell [5/16" x 8"] [1/2" MPT] [Generic] (78-30206)](http://www.bathandspaparts.com/cdn/shop/products/47-371-2804_xl_large.jpg?v=1486197764)
![Therm Stainless Thermowell [5/16" x 6"] [1/2" MPT] [Generic] (78-30204)](http://www.bathandspaparts.com/cdn/shop/products/47-371-2802_xl_large.jpg?v=1486197763)
![Therm Special Housing Manifold [17" x Union x 1-1/2" Slip] [Cal Spa 87-89/Hayward] [Stianless] (A-0008)](http://www.bathandspaparts.com/cdn/shop/products/47-238-1353_xl_large.jpg?v=1486197760)
![Therm Special Housing Manifold [17" x 1-1/2" MPT x 1-1/2" Slip] [Cal Spa 85-86/Hayward] (16-02434)](http://www.bathandspaparts.com/cdn/shop/products/47-238-1354_xl_large.jpg?v=1486197759)
![Therm Housing Manifold [12"] [1.5"MPT] [Side Facing Thermodisc] [Stainless Steel] [Baker/Hydro] (B-4203)](http://www.bathandspaparts.com/cdn/shop/products/47-394-1101_xl_large.jpg?v=1486197744)
![Therm Heater Assembly [Manifold] [12"] [Inc 1-1/4" Adapter] [Watkins] (40-2350-007)](http://www.bathandspaparts.com/cdn/shop/products/40-2350-007_large.jpg?v=1486197716)