In.therm is made to last. The design of its unique seamless enclosure and its cover gasket eliminates all risks of water infiltration. Filled with epoxy, its electronic board compartment is protected against the stress of water flow vibrations.
Its clever solid state design puts in.therm in a class by itself ensuring years of trouble-free usage. With solid state, in.therm can be started and stopped almost indefinitely with no degradation of its components.
It can command multiple power levels on its single element and heat at its highest power only when necessary, reducing the demand on the element and greatly extending its lifetime.
No moving parts, no need for adjustments, designed to be easily and quickly installed and totally maintenance free, in.therm is really advanced, no questions about it! Our new intelligent water heating system for spas and hot tubs features a breakthrough water flow detection device, controls multiple power levels on a single element, boasts 3 levels of built-in protection, uses solid state for optimal heat transfer and is totally sealed. That's a lot of astute engineering in an highly reliable heater!

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