Caleffi Brass Air Relief Valve Fitting:CALEFFI 15MM (1/2") MI BRASS AIR RELIEF VALVE AquaSurge® pumps are ideal for

AquaSurge® pumps are ideal for use in Aquascape and other skimmer and falls filter systems as well as Pondless® Waterfall filter vaults

Rain Bird 5000 Series Rotors are ideal for medium to large-size lawns and evenly distribute water from 25 to 50 feet

Lime and Orange

Automatic or manual control

Caleffi Brass Air Relief Valve Fitting:CALEFFI 15MM (1/2") MI BRASS AIR RELIEF VALVE AquaSurge® pumps are ideal forThese automatic air vents eliminate residual air in heating and air conditioning systems without the need for manual intervention. This prevents undesired noise, wear of devices in the circuits and inefficient performance of heating units. Installation Air is vented from the system by turning the plug on the air outlet anticlockwise by one complete turn from the fully closed position. Air is automatically vented if the cap is kept in this position. It