ST SHELL AND COIL The SST (Shell & Spiral Tube) is a titanium spiral tube heat exchanger with a rigid specially formulated shell that has a high-pressure tolerance and is the perfect solution for demanding applications. Features & Benefits Four models ranging from 36-kW to 95-kW Special formulated polymer Coiled titanium primary casing Salt and sea water compatible 30 bar (primary) and 3 bar (secondary) pressure tolerance Low pressure drop With optional Smart Touchscreen Controller & Booster Pump Temperature and flow sensor port Floor and wall mountable