Racold’s Omega MAX 8 solar water heater features an advanced Air Release Valve with a Vacuum Release function that prevents vacuum build-up by releasing trapped air—extending the life of the water tank. Built for performance and longevity, it includes high-end features such as PUF insulation, a Multifunction Safety Valve, and a Magnesium Sacrificial Anode to safeguard the tank against corrosion.