Therm [Cal Spas] 16.25" 2.5kW Flo-Thru Incoloy Heater (26-0165-3S-K) borggeneral Useful when the original tube

Useful when the original tube nest is damaged or worn

Heavy-duty baskets are especially practical where repeated handling and regular debris load can wear down lighter original components

This type of part is especially useful in regular service environments or for owners who prefer to keep spare filter bags ready for ongoing upkeep

Helps seal the lens to the fixture

or no longer keeps the heater operating within the intended range

Therm [Cal Spas] 16.25" 2.5kW Flo-Thru Incoloy Heater (26-0165-3S-K) borggeneral Useful when the original tubeTherm [Cal Spas] 16. 25" 2. 5kW Flo Thru Incoloy Heater (26 0165 3S K) is designed as a purpose focused replacement heater for Cal Spas, where matching physical configuration and heating output is essential to dependable spa operation. Its 2. 5kW heating output and 16. 25" 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