Therm 4.0kW [12" x 2"] Flo-Thru Titanium Heater [Arctic Spas] (48-9150-5P-K) airreliefvalves Hayward high-flow square main drain

Hayward high-flow square main drain grate with frame

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

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

Valve adapter for compatible Jacuzzi ST27 sand filter applications

30 PSI rating

Therm 4.0kW [12" x 2"] Flo-Thru Titanium Heater [Arctic Spas] (48-9150-5P-K) airreliefvalves Hayward high-flow square main drainTherm [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