- Energy saving valve - relieves cold water rather than hot, saving electricity
- Flushing lever/handle to clear foreign matter from valve seat, can also be used as cylinder drain
- High temperature diaphragm and non-corrosive valve seat materials mean long life - no heat loop required
- Failsafe against cylinder over pressure
This cold water expansion valve is used to relieve cold water rather than hot, energy-saving electricity. Used in low, medium, and high (mains) pressure hot water systems.