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 Products 15" 4.0kW Flo-Thru Incoloy Heater (26-5000-5S-K)
$185.99 $168.99
![Therm [Sundance] 12" 5.5kW Flo-Thru Titanium Heater (26-1002-7T-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1002-7T-K_large.jpg?v=1784792126)
![Therm [Sundance Jacuzzi] 15" 5.5kW Flow Thru Titanium Heater (26-0316-MP-KB)](http://www.bathandspaparts.com/cdn/shop/files/26-0316-MP-KB_large.jpg?v=1784792137)
![Therm [Sundance] 12" 5.5kW Flo-Thru Incoloy Heater (26-1002-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1002-7S-K_large.jpg?v=1784792125)
![Therm [Sundance] 15" 5.5kW Flo-Thru Incoloy Heater (26-0556-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0556-7S-K_large.jpg?v=1784792131)
![Therm [Sundance] 12" 4.0kW Flo-Thru Incoloy Heater (26-1002-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1002-5S-K_large.jpg?v=1784792121)
![Therm [Sundance Jacuzzi] 2.7kW Flow Thru Titanium Heater (26-6500418-K)](http://www.bathandspaparts.com/cdn/shop/files/26-6500418-K_large.jpg?v=1784792127)
![Therm [SBSG AP-1 LX-15] 15" 5.5kW Flo-Thru Incoloy Heater (26-0056-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0056-7S-K_large.jpg?v=1784792120)
![Therm [Sundance] 12" 4.0kW Flo-Thru Titanium Heater (26-1002-5T-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1002-5T-K_large.jpg?v=1784792122)
![Therm [Sundance] 13" 5.5kW Curved L-Shaped Flow-Thru Incoloy Heater (26-0119-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0119-7S-K_large.jpg?v=1784792126)
![Therm [SBSG AP-1 LX-15] 15" 2.5kW Flo-Thru Incoloy Heater (26-0056-3S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0056-3S-K_large.jpg?v=1784792116)
![Therm [SBSG AP-1 LX-15] 15" 4.0kW Flo-Thru Incoloy Heater (26-0056-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0056-5S-K_large.jpg?v=1784792120)
![Therm [NuWave] 15" 5.5kW Flo-Thru Incoloy Heater (26-0313N-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0313N-7S-K_large.jpg?v=1784792114)
Therm [NuWave] 15" 5.5kW Flo-Thru Incoloy Heater (26-0313N-7S-K)
$185.99 $168.99
![Therm [Onyx Spas] 12" 4.5kW Flo-Thru Titanium Heater (26-0015-6T-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0015-6T-K_large.jpg?v=1784792115)
![Therm [Marquis Spas] 4.0kW Flo-Thru Titaniuim Heater (740-0650)](http://www.bathandspaparts.com/cdn/shop/files/740-0650_large.jpg?v=1784792111)
Therm [Marquis Spas] 4.0kW Flo-Thru Titaniuim Heater (740-0650)
$313.99 $284.99
![Therm [NuWave] 19.25" 5.5kW Flo-Thru Incoloy Heater (26-0213N-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0213N-7S-K_large.jpg?v=1784792111)
![Therm [Saratoga Spas] 13.5" 4.0kW Flo-Thru Incoloy Heater (26-H3037-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-H3037-5S-K_large.jpg?v=1784792115)
![Therm [Jacuzzi Spas J-400] 15" Hi-Flow 5.5kW Titanium Heater (6500-417)](http://www.bathandspaparts.com/cdn/shop/files/6500-417_large.jpg?v=1784792106)
![Therm [HydroQuip] 15" 5.5kW Flo-Thru Incoloy Heater (26-0000ABX-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0000ABX-7S-K_large.jpg?v=1784792105)
![Therm [Vita Spas] 15" 3.0kW Flo-Thru Incoloy Heater (26-0010-4S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0010-4S-K_large.jpg?v=1784792101)
![Therm [Hurricane Spas] 15" 5.5kW Flow Thru Incoloy Heater (26-0002-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0002-7S-K_large.jpg?v=1784792100)
![Therm [Leisure Bay] 17.5" 2.5kW Flo-Thru Incoloy Heater (26-1001-3S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1001-3S-K_large.jpg?v=1784792109)
![Therm [Hercules/Dimension One] 15" 4.0kW Flow Thru Incoloy Heater (26-0001-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0001-5S-K_large.jpg?v=1784792099)
![Therm [Marquis Spas] 12" 4.0kW Flow-Thru Incoloy Heater (26-C2278-1-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-C2278-1-5S-K_large.jpg?v=1784792110)
![Therm [HydroQuip] 15" 5.5kW Titanium Flo-Thru Titanium Heater (26-0000ABX-7T-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0000ABX-7T-K_large.jpg?v=1784792106)
![Therm [HydroQuip] 15" 4.5kW Flo-Thru Incoloy Heater (26-0010-6S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0010-6S-K_large.jpg?v=1784792104)
![Therm [DM/Vita Spas] 17.75" 3.0kW Flo-Thru Incoloy Heater (26-1008-4S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1008-4S-K_large.jpg?v=1784792095)
![Therm [Correct Tech] 12.63" 5.5kW Flow Thru Incoloy Heater (26-2300-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-2300-7S-K_large.jpg?v=1784792094)
![Therm [Hercules] 15" 4.0kW Flo-Thru Incoloy Heater (26-0315-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0315-5S-K_large.jpg?v=1784792100)
![Therm [DM/Vita Spas] 15" 3.0kW Flo-Thru Incoloy Heater (26-0024-4S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0024-4S-K_large.jpg?v=1784792095)
![Therm [Caldera Spas] 15" 2.0kW Flo-Thru Incoloy Heater (26-3330-2S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-3330-2S-K_large.jpg?v=1784792090)
![Therm [DM/Vita Spas] 15" 4.0kW Flo-Thru Incoloy Heater (26-0028-5S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0028-5S-K_large.jpg?v=1784792097)