Atomic Aquatics Scuba HeatWE TURNED UP THE HEAT ON PERFORMANCE. Scuba Heat ensures your second stage regulator stays protected from freezing and free flow even in extremely cold conditions. Attach Scuba Heat to your regulator to heat up the cold air from your tank before you inhale, and drastically reduce the risk of Cold Stress. Scuba Heat is the personal thermal protection device for you and your regulator. HOW IT WORKS Scuba Heats coil mounts onto your tank band in between