Therm 5.5kW [15" x 2"] Flo-Thru Incoloy Insulated Heater [Cal Spas] (26-2001-7S-K) elbows or no longer controlling the

or no longer controlling the heater correctly

this model provides greater heating capacity than lower-output 1

or the whole system may seem fine one day and troublesome the next

A rectangular DE grid helps provide the filtration surface needed inside a compatible diatomaceous earth filter assembly

Therm 5.5kW [15" x 2"] Flo-Thru Incoloy Insulated Heater [Cal Spas] (26-2001-7S-K) elbows or no longer controlling theBuilt for service situations that demand the correct heater geometry and output, Therm [Cal Spas] 15" 5. 5kW Flo Thru Incoloy Insulated Heater (26 2001 7S K) is engineered for Cal Spas and helps return the spa to stable, predictable heating performance. Its 5. 5kW heating output, 15" heater length and insulated heater construction should be matched to the original equipment requirements before installation, since spa heaters are not universally