Heaters
Shop replacement heaters for pools, spas, hot tubs, and bath systems. Find gas, electric, and spa heater options designed to maintain comfortable water temperatures and dependable heating performance.
![Hydro-Quip 5.5kW Flo Thru Heater [13"x2-1/4"] [240V] [Fiberglass] [Generic] (20-00403)](http://www.bathandspaparts.com/cdn/shop/products/20-00403_large.jpg?v=1486197475)
![Therm 4.0kW Flo Thru Heater [15" x 2"] [240V] [Dual Sensor Systems] (C2400-0807-TPS)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0471_large.jpg?v=1778992141)
![Balboa 15" 4.0 kW Spa Heater Assembly With Sensors [240V] [2" x 2"] (58031) (G7415)](http://www.bathandspaparts.com/cdn/shop/products/58031_lar_large.jpg?v=1518751271)
![Therm 5.5kW Flo Thru Heater [12" x 2"] [230V] [ACC] [Generic] (C2550-1004)](http://www.bathandspaparts.com/cdn/shop/products/C2550-1004_large.jpg?v=1486197470)
![Balboa 15" 4.0 kW Spa Heater [240V] (50081) [C2400-0535-TPS] (G7416)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_1126_large.jpg?v=1778992446)
Balboa 1.0kW/4.0 kW [15" x 2"] FloThru Spa Heater (G7416)
$286.58 $220.23
![Therm 5.5kW Flo Thru Heater [2-1/4" x 15"] [240v] (C2550-0456)](http://www.bathandspaparts.com/cdn/shop/products/C25500456_large.jpg?v=1486197537)
![Hayward 11.0Kw CSPAXI Series Spa Heater [240V] (CSPAXI11)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0469_large.jpg?v=1778992141)
Hayward 11.0Kw CSPAXI Series Spa Heater [240V] (CSPAXI11)
$2,117.71 $1,816.99
![Therm 4.0kW Flo Thru Heater [12-1/2" x 2"] [240V] [CorrectTech] (C2550-2300ET)](http://www.bathandspaparts.com/cdn/shop/products/C2550-2300ET_large.jpg?v=1486197472)
![Balboa Style 15" 5.5 kW Spa Heater Assembly [240V] [2" x 15" Tailpiece] (50076)](http://www.bathandspaparts.com/cdn/shop/products/50076_large.jpg?v=1583273212)
![Balboa M7 15" 5.5 kW Spa Heater Assembly [15" x 2"] (55464) (G7512)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_1141_large.jpg?v=1778992458)
Balboa M7 5.5 kW [15" x 2"] FloThru Spa Heater (G7512)
$289.41 $221.64
![Therm 4.0kW Low Flow Heater [26" x 6"] [240V] [Trombone Sndnc] [Generic] (C3226-1A)](http://www.bathandspaparts.com/cdn/shop/products/C3226-1A_large.jpg?v=1486197381)
![Balboa M7 15" 4.0 kW Spa Heater Assembly [240V] (58212) (G7415)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_1121_large.jpg?v=1778992438)
![Balboa M7 15" 5.5 kW Spa Heater Assembly [240v] [2" x 2"] (58000) (G7512)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0764_00356dc0-b99f-4cf7-a6ff-101804629c71_large.jpg?v=1778992923)
![Balboa 15" 4.0 kW Spa Heater Assembly [240V] [2"] (58001) (G7416)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_1128_large.jpg?v=1778992445)
![Balboa M7 15" 5.5 kW Spa Heater Assembly No Stud [2" x 2"] (55629) (G7415)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0473_large.jpg?v=1778992143)
![Balboa M7 15" 5.5 kW Spa Heater Assembly [240V] [15" x 2"] (58140) (G7512)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_1138_large.jpg?v=1778992454)
![Therm Generic Balboa 5.5kW Flo Thru Heater [15" x 2"] [240V] [ACC] (C2550-1056)](http://www.bathandspaparts.com/cdn/shop/products/46-555-2210_large.jpg?v=1506614387)
![Therm 5.5kW Low Flow Heater [240V] [Square Back] [Jacuzzi/Sundance] (C3229-2A)](http://www.bathandspaparts.com/cdn/shop/products/C3229-2A_large.jpg?v=1486197582)
![Therm 5.5kW Flo Thru Heater [15" x 2"] [230V] [Aquatemp] (C2550-0000A-BX)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_1060_large.jpg?v=1778992408)
![Hydro-Quip 1.5kW T-Style Bath Heater [PH100-15UP] ] [115V] [3ft Cord/Plug] (PH100-15UP)](http://www.bathandspaparts.com/cdn/shop/products/46-355-1033_XL_large.jpg?v=1486187341)
![Therm 5.5kW Flo Thru Heater [15" x 2"] [240V] [SI Hydroquip 05/97-Now] (C2550-0307ET)](http://www.bathandspaparts.com/cdn/shop/products/48-1555-HS_255f352a-8d6b-41c3-8251-212201dffc11_large.jpg?v=1611937316)
![Therm 4.0kW Low Flow Heater [3" x 8"] [240V] [Artesian/Majestic] (E2400-0115ET)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1274_xl_large.jpg?v=1486197390)
![Raypak P-R156A-EN-C 150K BTU Complete NG Heater [120v] (014784)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0037_large.jpg?v=1778991949)
Raypak P-R156A-EN-C 150K BTU Complete NG Heater [120v] (014784)
$3,528.12 $3,091.76
![Hydro-Quip PS 5.5kW Electronic Heater [15" x 2"] [240V] [Long Cord] [Clamps] (48-PS55)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0282_large.jpg?v=1778992075)
![Hydro-Quip 11.0kW M7 Flo-Thru Heater [ES/CS8700] [19.25" x 2.25"] [230V] [w/Sensors] (26-0054A-M7-KS)](http://www.bathandspaparts.com/cdn/shop/products/46-355-1070_XL_large.jpg?v=1486187351)
![Therm [Caldera Spas] 15" 4.0kW Flo-Thru Incoloy Heater (26-3330-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-3330-5S-K_large.jpg?v=1784792090)
![Coates ST Series 11kW Single Phase Electric Heater [240v] (12411ST)](http://www.bathandspaparts.com/cdn/shop/files/12411ST_XL_large.jpg?v=1715036752)
Coates ST Series 11kW Single Phase Electric Heater [240v] (12411ST)
$1,407.56 $1,302.84
![Therm 5.5kW Flo Thru Heater [15" x 2"] [240V] [Cal Spas] [No Box] (C2550-2001)](http://www.bathandspaparts.com/cdn/shop/products/26-2001-7S-K_large.jpg?v=1673893604)