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 4.0kw Low Flow Heater [240V] [Infinity] (46-555-2450)](http://www.bathandspaparts.com/cdn/shop/products/46-555-2450_xl_large.jpg?v=1486197373)
![Therm 4.0kw Low Flow Heater [240V] [Hydro Quip Versi-Heat] (46-555-2410)](http://www.bathandspaparts.com/cdn/shop/products/46-555-2410_xl_large.jpg?v=1486197372)
![Therm 4.0kw Low Flow Heater [240V] [Artesian/Majestic] (46-555-2420)](http://www.bathandspaparts.com/cdn/shop/products/46-555-2420_xl_large.jpg?v=1486197366)
![Therm 4.0kW L Shape Heater [12" x 3"] [240V] [Maax Accutemp] [Generic] (26-00259)](http://www.bathandspaparts.com/cdn/shop/products/26-00259_large.jpg?v=1486197354)
![Therm 4.0kW Flo Thru Heater Assembly [240V] [Laing Tri-Bend] (C-3564-2)](http://www.bathandspaparts.com/cdn/shop/products/46-555-1013_xl_large.jpg?v=1486197327)
![Therm 4.0kW Flo Thru Heater [2" x 15"] [240V] [Gecko M-Class] (C2400-0601-2)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1224_xl_large.jpg?v=1486197321)
![Therm 4.0kW Flo Thru Heater [2" x 12.5"] [240V] [Correct-Tech] (C2400-2300ET)](http://www.bathandspaparts.com/cdn/shop/products/46-238-1700_xl_large.jpg?v=1486197310)
![Therm 4.0kW Flo Thru Heater [2" x 12"] [240V] [w/J-Box/Cord] [Marquis] (20-08520)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1202_xl_large.jpg?v=1486197308)
![Therm 4.0kW Flo Thru Heater [15" x 2"] [240V] [Maddox] [Generic] (C2400-0073)](http://www.bathandspaparts.com/cdn/shop/products/C2400-0073_large.jpg?v=1486197302)
![Therm 3.6kW Flo Thru Heater [8"x2"] [230V] [33" Cord] [Dreamaker] (C2360-0826)](http://www.bathandspaparts.com/cdn/shop/products/C2360-0826_large.jpg?v=1486197293)
![Therm 2.7kW Low Flow Heater Assembly [230V] (C3403-1)](http://www.bathandspaparts.com/cdn/shop/products/C3403-1_large.jpg?v=1486197281)
Therm 2.7kW Low Flow Heater Assembly [230V] (C3403-1)
$209.99 $161.49
![Therm 2.7kW Low Flow Heater [230v] [Titanium] (C3478-1A)](http://www.bathandspaparts.com/cdn/shop/products/C3478-1A_large.jpg?v=1486197276)
![Therm 11.0kW Low Flow Heater [3" x 12-7/8"] [240V] [1.5" QD] [Laars Elektra] (B21100-3000)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1310_xl_large.jpg?v=1486197249)
![Therm 11.0kW Flo Thru Heater [15" x 1-1/2"] [240v] [Pinacle/Brett] (B21100-2012)](http://www.bathandspaparts.com/cdn/shop/products/46-320-1150_xl_large.jpg?v=1486197245)
![Therm 10.0kW L Shape Heater [10" x 1-1/2"] [230V] [Generic] (24-08550)](http://www.bathandspaparts.com/cdn/shop/products/24-08550_large.jpg?v=1486197239)
![Therm 1.5kW Flo Thru Heater [240V] [Laing Tri-Bend] [Generic] (C3564-3)](http://www.bathandspaparts.com/cdn/shop/products/C3564-3_large.jpg?v=1486197224)
![Therm 1.5kW Flo Thru Heater [2" x 10"] [120V] [H-Q CS101A/CS700] (C1150-1200)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1212_xl_large.jpg?v=1486197222)
![Therm 1.0kW Flo Thru Heater [8-1/2" x 1-1/2"] [120V] [Icon Spas] [Generic] (C1100-0115)](http://www.bathandspaparts.com/cdn/shop/products/C1100-0115_large.jpg?v=1486197195)
![Therm 1.0kW Flo Thru Heater [10" x 1-1/2"] [120V] [Little Dipper] [Generic] (C1100-0109)](http://www.bathandspaparts.com/cdn/shop/products/C1100-0109_large.jpg?v=1486197192)
![Therm 1.0kW Flo Thru Heater [1.5" x 9.625"] [120V] [Coleman/Generic] (C1100-0116)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1204_xl_large.jpg?v=1486197190)
![Therm 1.0kW Flo Thru Heater [1.5" x 12"] [120V] [Emerald/Conway] (C1100-3013ET)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1235_xl_large.jpg?v=1486197184)
![Sundance Spas 5.5kW Low Flow Heater [13" x 3"] [230v] (6500-310)](http://www.bathandspaparts.com/cdn/shop/products/46-455-1010_xl_large.jpg?v=1486196720)
![Spa Components 5.5kW Flo Thru Heater [2" x 15"] [Brett Digital] (B24055S)](http://www.bathandspaparts.com/cdn/shop/products/46-320-1170_xl_large.jpg?v=1486196403)
![Spa Components 5.5kW Flo Thru Heater [15" x 2"] [w/o Pressure Switch] (B24055N)](http://www.bathandspaparts.com/cdn/shop/products/46-238-1101_xl_large.jpg?v=1486196402)
![Spa Components 4.5kW Flo Thru Heater [2" x 15.5"] [Cal Spas] [Heat 114C] (B24045G)](http://www.bathandspaparts.com/cdn/shop/products/46-371-1213_xl_large.jpg?v=1486196398)
![Spa Components 4.0kW Flo Thru Heater [15" x 2"] [PS/TI] [Brett] (B24040E)](http://www.bathandspaparts.com/cdn/shop/products/46-320-1165_xl_large.jpg?v=1486196385)
![RayPak SpaPak ELS 552-5 [5.5kW] Complete Electric Spa Heater [240v] (001642)](http://www.bathandspaparts.com/cdn/shop/files/BSPO_0476_large.jpg?v=1778992144)
Raypak RP2100 Digital R265 Heater Top (007991)
$199.99 $159.99
![Raypak P-R206A-EN-C 200K BTU Digital NG Heater [120v/240v] (009216)](http://www.bathandspaparts.com/cdn/shop/products/coming_soon_5f3c1605-6aa3-4c5e-b711-992935c162a4_large.jpg?v=1486196037)
![Raypak P-R106A-AP-C 105K BTU Complete NG Heater [120v] (014779)](http://www.bathandspaparts.com/cdn/shop/files/46-197-2000_a94c8d88-050a-44a1-9e85-6cd962d6ff18_large.jpg?v=1783486690)
Raypak P-R106A-AP-C 105K BTU Complete NG Heater [120v] (014779)
$2,199.00 $1,634.08
![Pentair Orifice [Minimax] [Nat.] [6000-9999] (470777)](http://www.bathandspaparts.com/cdn/shop/products/coming_soon_da0f6d3b-5c0b-4d66-bedf-8e7f6755c630_large.jpg?v=1486194395)
![Pentair Orifice [Minimax] [Nat.] [3000-5999] (472569)](http://www.bathandspaparts.com/cdn/shop/products/coming_soon_614f1703-8310-4bb3-b38e-1df37e78dab6_large.jpg?v=1486194394)