Therm 4.0kW [15" x 2"] Flo-Thru Incoloy Heater [Hercules] (26-0315-5S-K) pleatco Replacing it can help restore

Replacing it can help restore the core function of the spa pump and improve confidence in the equipment’s condition

Matching the correct indoor drafthood helps preserve intended fit and supports cleaner vent-related service results

but final fit should always be checked against the original part

This type of part is especially useful when both visibility and removability matter in the plumbing layout

That helps keep repairs more accurate and more dependable

Therm 4.0kW [15" x 2"] Flo-Thru Incoloy Heater [Hercules] (26-0315-5S-K) pleatco Replacing it can help restoreBuilt for service situations that demand the correct heater geometry and output, Therm [Hercules] 15" 4. 0kW Flo Thru Incoloy Heater (26 0315 5S K) is engineered for Hercules and helps return the spa to stable, predictable heating performance. 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. For technicians and spa