Therm 4.0kW [17-1/2" x 2"] Flo-Thru Incoloy Heater [Leisure Bay] (26-1001-5S-K) valpakproducts Supports cleaner and more reliable

Supports cleaner and more reliable heater service

The 2-cup holder lid adds a convenience-oriented detail that may appeal in spa and recreational settings where user-facing surface features matter

and control-side features align with the intended system

This vinyl-style configuration is useful in pool and spa applications where the drain must match both the installation type and the surface appearance of the vessel

and orifice detail matter

Therm 4.0kW [17-1/2" x 2"] Flo-Thru Incoloy Heater [Leisure Bay] (26-1001-5S-K) valpakproducts Supports cleaner and more reliableTherm [Leisure Bay] 17. 5" 4. 0kW Flo Thru Incoloy Heater (26 1001 5S K) is a replacement heater developed around the fit and operating requirements of Leisure Bay, making it a practical choice when the original heater assembly must be matched carefully. Its 4. 0kW heating output and 17. 5" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. When a spa