Therm 4.0kW [12" x 2"] Flo-Thru Titanium Heater [Arctic Spas] (48-9150-5P-K) airreliefvalves The Waterway 660-3561 top access

The Waterway 660-3561 top access silent air control is designed for compatible spa systems using a 1-5/8 inch hole size and a 2-9/16 inch face diameter

The listed specifications include 8000

5kW spa applications

It is a strong choice when dependable high-output heater replacement is needed in a compatible Aquatemp system

making accurate fit especially important

Therm 4.0kW [12" x 2"] Flo-Thru Titanium Heater [Arctic Spas] (48-9150-5P-K) airreliefvalves The Waterway 660-3561 top accessTherm [Arctic Spas] 12" 4. 0kW Flo Thru Titanium Heater (48 9150 5P K) is a replacement heater developed around the fit and operating requirements of Arctic Spas, making it a practical choice when the original heater assembly must be matched carefully. Its 4. 0kW heating output and 12" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. When a spa struggles