Therm 4.0kW [16.25" x 2"] Flo-Thru Incoloy Heater [Cal Spas] (26-0165-5S-K) wyes Those details matter because spa

Those details matter because spa control packs are best replaced with closely matched feature and voltage configurations

The 100 foot length gives this product practical value because longer rolls allow broader continuous runs with fewer interruptions

Helps restore easier and more secure filter handling

It supports powerful jet operation while maintaining dependable circulation

A complete filter like this is useful because it restores the full filtration assembly when the original unit needs more than a simple cartridge swap

Therm 4.0kW [16.25" x 2"] Flo-Thru Incoloy Heater [Cal Spas] (26-0165-5S-K) wyes Those details matter because spaTherm [Cal Spas] 16. 25" 4. 0kW Flo Thru Incoloy Heater (26 0165 5S K) provides a targeted heating solution for Cal Spas, combining the specified output and construction needed to restore consistent water heating without relying on a generic substitute. Its 4. 0kW heating output and 16. 25" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. A heater