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 3.6kW FloThru Curved Heater [Arctic] [8.5" x 2"] [230v] (48-9124-AP-K)](http://www.bathandspaparts.com/cdn/shop/products/48-9124-AP-K_large.jpg?v=1522127417)
![Therm [United Spas] 13" 5.5kW Flo-Thru Incoloy Heater (26-1206-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1206-7S-K_large.jpg?v=1784792140)
![Therm [Thermo Coleman] 15" 4.0kW Flo-Thru Incoloy Heater (26-0739-5SD-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0739-5SD-K_large.jpg?v=1784792135)
Therm 5.5kW [15" x 2"] Flo-Thru Incoloy Heater (26-5000-7S-K)
$185.99 $168.99
Therm 2.5kW [15" x 2"] Flo-Thru Incoloy Heater (26-0309-3S-K)
$138.99 $125.99
![Therm [United Spas] 13.25" 5.5kW Flo-Thru Incoloy Heater (26-1227-7S-K)](http://www.bathandspaparts.com/cdn/shop/files/26-1227-7S-K_large.jpg?v=1784792140)
![Therm [Sundance Jacuzzi] 15" 3.6kW Flo-Thru Titanium Heater (26-0316-AP-KB)](http://www.bathandspaparts.com/cdn/shop/files/26-0316-AP-KB_large.jpg?v=1784792130)
Therm 4.0kW [15" x 2"] 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)