Therm [Caldera Spas] 15" 4.0kW Flo-Thru Incoloy Heater (26-3330-5S-K) gecko A filter cartridge provides the

A filter cartridge provides the active filtering surface that helps the system remove suspended debris during circulation

Foot air bellow from Herga Electric

or no longer seating properly around the skimmer assembly

Improves installation flexibility and service confidence

Therm [Caldera Spas] 15" 4.0kW Flo-Thru Incoloy Heater (26-3330-5S-K) gecko A filter cartridge provides theTherm [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