Therm [Cal Spas] 15.75" 5.5kW Flo-Thru Incoloy Heater (26-H0021-7S-K) srsmith and it supports coordinated heater

and it supports coordinated heater operation between sensors

Non-adjustable nozzles are especially practical when the system depends on a simple

Useful when the original plate is cracked or worn

or no longer sitting properly against the skimmer opening

A properly selected replacement should make the spa feel restored rather than forcing the owner to adapt to a control layout that only partly fits

Therm [Cal Spas] 15.75" 5.5kW Flo-Thru Incoloy Heater (26-H0021-7S-K) srsmith and it supports coordinated heaterTherm [Cal Spas] 15. 75" 5. 5kW Flo Thru Incoloy Heater (26 H0021 7S K) is a replacement heater developed around the fit and operating requirements of Cal Spas, making it a practical choice when the original heater assembly must be matched carefully. Its 5. 5kW heating output and 15. 75" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. When a spa