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.
![Therm 4.5kW Flo Thru Heater [2" x 17.63"] [240V] [DM Industries] (C2450-1008ET)](http://www.bathandspaparts.com/cdn/shop/products/46-238-1600_xl_large.jpg?v=1522958560)
![Therm 4.0kW Heater [240V] [Caldera Highland Series Heater] (C2400-C3330-1A)](http://www.bathandspaparts.com/cdn/shop/products/46-238-1072_xl_large.jpg?v=1773168905)
![Therm 4.0kW Flo Thru Heater [3" x 13.5"] [240V] [3/4" x 90 Tail] [Saratoga Spas] (E2400-0420ET)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1217_xl_large.jpg?v=1486197325)
![Hydro-Quip 5.5kW PS Air Heater [2"x 15"] [240V] [L-Shape] [Short Cord] [Clamps] (48-PS55-SA)](http://www.bathandspaparts.com/cdn/shop/products/46-355-1441_xl_large.jpg?v=1486187445)
![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)
![Hydro-Quip 1.5kW In-Line Pressure Bath Heater [PH101-15UP] [115V] (PH101-15UP)](http://www.bathandspaparts.com/cdn/shop/products/46-355-1048_XL_large.jpg?v=1486187337)
![Gecko heat.wav 4.0kW Spa Heater [230v] [15" x 2"] [IN.XE Control Systems] (9920-101435)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_1236_large.jpg?v=1778992499)
![Hydro-Quip Artic Spas 4.0kW FloThru Heater [12" x 2"] w/Cord (48-9150-5P-K)](http://www.bathandspaparts.com/cdn/shop/files/46-355-3036_XL_large.jpg?v=1715657681)
![Balboa Complete Clim8Zone 2" Heat/Cool Pump [230v] (73000)](http://www.bathandspaparts.com/cdn/shop/files/46-138-1110_XL_large.jpg?v=1713397751)
Balboa Complete Clim8Zone 2" Heat/Cool Pump [230v] (73000)
$1,829.99 $1,669.42
![Balboa 5.5kW Slave Heater System [15" x 2"] (55986)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0769_large.jpg?v=1778992279)
Balboa 5.5kW Slave Heater System [15" x 2"] (55986)
$280.99 $265.97
![Hydro Quip 5.5kW Flo Thru Heater [12" x 2"] [230V] [No Plug] (C2550-0103TT) [48-9120-7P-K]](http://www.bathandspaparts.com/cdn/shop/products/48-9120-7P-K_large.jpeg?v=1559833289)
![Laing 6.0kW Flo Thru Heater Assembly [240V] [Laing Tri-Bend] (C3564-1)](http://www.bathandspaparts.com/cdn/shop/products/46-555-1012_xl_large.jpg?v=1486197678)
![Therm 5.5kW Titanium Flo Thru Heater [15" x 2"] [230V] [48" Cord] (C2550-0316TI)](http://www.bathandspaparts.com/cdn/shop/products/C2550-0316TI_large.jpg?v=1486197665)
![Therm 5.5kW Low Flow Heater [3" x 6.469"] [240V] [Sunbelt Spas] (26-08147)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1315_xl_large.jpg?v=1486197617)
![Therm 5.5kW Flo Thru Heater [2" x 18"] [240V] [Hercules] [Pre-5/95 XT] [Welded] (C2550-0155)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1220_xl_large.jpg?v=1560265135)
![Therm 5.5kW Flo Thru Heater [2" x 13.25"] [240V] [United] [Generic] (C2550-1206)](http://www.bathandspaparts.com/cdn/shop/products/B24055D_large.jpeg?v=1561477217)