Therm 4.0kW [15" x 2"] Flo-Thru Incoloy Heater [Caldera Spas] (26-3330-5S-K) tees It is a practical service

It is a practical service option when dependable heater replacement is needed in a compatible Hercules-based spa setup

A face plate gasket helps create a seal behind a compatible faceplate connection

A diverter assembly is useful because it helps restore the core flow-routing function inside the valve without requiring a full valve-body replacement

A wall fitting provides the structural support behind the visible suction assembly

Improves directional flow control and service confidence

Therm 4.0kW [15" x 2"] Flo-Thru Incoloy Heater [Caldera Spas] (26-3330-5S-K) tees It is a practical serviceTherm [Caldera Spas] 15" 4. 0kW Flo Thru Incoloy Heater (26 3330 5S K) is designed as a purpose focused replacement heater for Caldera Spas, where matching physical configuration and heating output is essential to dependable spa operation. Its 4. 0kW heating output and 15" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. In day to day spa operation, a