Therm [Arctic Spas] 12" 4.0kW Flo-Thru Titanium Heater (48-9150-5P-K) pooltool When the relay tied to

When the relay tied to flow protection begins to fail

Heavier-duty flow switches like this are useful where the application calls for stronger switching capability and dependable response in the water path

The Waterway 310-4010 impeller is designed for compatible 1

Not every topside extension needs a long cable run

Designed for compatible blower-related connection needs

Therm [Arctic Spas] 12" 4.0kW Flo-Thru Titanium Heater (48-9150-5P-K) pooltool When the relay tied toTherm [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