Viega offers shut-off valves to support system installations of ProPress®, MegaPress® or PureFlow®. Whether for potable water, mechanical systems or gas applications, Viega offers a valve for most needs, ranging in size from 1/2 in to 4 in. Like Viega fittings, valves offer Smart Connect® technology to provide installers added confidence in their ability to ensure secure connections. Viega innovative thermostatic balancing valve automatically adjusts to a specified temperature, ensuring that the system is balanced.