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.
$179.99 $155.97
$179.99 $155.97
$205.99 $178.97
$179.99 $155.97
$215.99 $186.97
$197.99 $171.97
$183.99 $159.97
$203.99 $176.97
$197.99 $171.97
$215.99 $186.97
$179.99 $155.97
$262.99 $227.97
$151.99 $131.97
$151.99 $131.97
$167.99 $145.97
$155.99 $134.97
$288.99 $250.97
$215.99 $186.97
$151.99 $131.97
$147.99 $127.97
![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" 5.5kW Flo-Thru Titanium Heater (26-0739-7SD-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0739-7SD-K_large.jpg?v=1784792136)
![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)
$185.99 $168.99
$185.99 $168.99
![Therm [Waterway] 15" 5.5kW Flo-Thru Titanium Heater (26-0808-7TD-K)](http://www.bathandspaparts.com/cdn/shop/files/26-0808-7TD-K_large.jpg?v=1784792142)
![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)