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.
Balboa BP100 5.5kW FloThru Heater Assembly (G7511)
$268.98 $206.02
![Hydro-Quip Saratoga 5.5kW FloThru Heater [3" x 13-1/2"] (26-0520-7T-K)](http://www.bathandspaparts.com/cdn/shop/files/46-355-2210_XL_large.jpg?v=1715657685)
![Gecko IN.THERM 1.0kW/4.0kW Heater [115v/230v] [14.5" x 2"] (0603-421002)](http://www.bathandspaparts.com/cdn/shop/files/46-402-1000_XL_large.jpg?v=1715147550)
![Gecko Heat.Wav 4kW FloThru Heater [15" x 2"] [230v] [IN.XE/YE/YT] (T9920-101435)](http://www.bathandspaparts.com/cdn/shop/files/46-337-1012_XL_large.jpg?v=1715147550)
![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)
$1,426.51 $1,231.92
![Balboa 5.5kW Titanium LoFlow Heater W/Slide Connecter [230v] (58371T)](http://www.bathandspaparts.com/cdn/shop/files/46-138-1372_XL_large.jpg?v=1713397788)
![Balboa 2.7kW Titanium LoFlow Heater W/Slide Connecter [230v] (58373T)](http://www.bathandspaparts.com/cdn/shop/files/46-138-1083_XL_large.jpg?v=1713397785)
![Balboa FloThru Revolution Heater [18-13/32" x 2"] [4.0kW] [230v] (55691)](http://www.bathandspaparts.com/cdn/shop/files/46-138-1070_XL_large.jpg?v=1713397742)
![Balboa 15" BP100 FloThru Heater Assembly [4.0kw] (G4310) (G7411)](http://www.bathandspaparts.com/cdn/shop/files/46-138-1302_XL_large.jpg?v=1713397737)
Balboa 15" BP100 FloThru Heater Assembly [4.0kw] (G4310) (G7411)
$256.10 $196.01
![Therm 5.5kW Low Flow Curved Heater Assembly [11" x 2"] [240V] [Arctic] (48-9123-7T-K)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0523_large.jpg?v=1778992162)
![Therm 5.5kW Vertical Low Flow Smart Heater Assembly [240V] [Generic] (E2550-3314)](http://www.bathandspaparts.com/cdn/shop/products/46-455-1025_xl_large.jpg?v=1517851321)
![Therm 5.5kW Square Back Low Flow Heater [Aber] [06HTR3220] [240V] [Generic] (C3238-1A)](http://www.bathandspaparts.com/cdn/shop/products/C3238-1A_large.jpg?v=1486197652)
![Therm 11.5kW Screw Plug Heater [25" x 1"] [240v] [w/Box] [Generic] (35-16-00141)](http://www.bathandspaparts.com/cdn/shop/products/35-16-00141_large.jpg?v=1486197647)
![Therm 5.5kW Low Flow Vertical Heater [3"x 6.469"] [240V] [4 Pin Amp] (26-08120)](http://www.bathandspaparts.com/cdn/shop/products/46-238-1001_xl_large.jpg?v=1486197644)
![Therm 5.5kW Low Flow Heater [3"x 6.469"] [240V] [1" x 90 deg Skt] [Dynasty] (20-00120)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1265_xl_large.jpg?v=1486197629)
![Therm 5.5kW Low Flow Heater [3" x 11"] [240V] [SBSG/Dynasty] [Generic] (E2550-0012)](http://www.bathandspaparts.com/cdn/shop/products/E2550-0012_large.jpg?v=1486197585)