Aqualine HEVB - Brass 3/4" hose end vacuum breaker: A vacuum breaker keeps water which has passed through it from returning into the water source. This is very important if you are using any type of hose end fertilizer applicator from a water source.

• Female Hose Thread x Male Hose Thread
• Brass body with breakaway set screw to prevent unauthorized removal, drainable.
• 3/4" Female hose thread inlet x 3/4" Male hose thread outlet.

• Use on standard brass hose bibbs for back siphonage protection
• Use only with hose bibbs or fittings having 4 or more American National Hose (NH) threads.
• Max Pressure = 125 psi
• Max Temperature = 180°F 
• Not suitable for frost-free hydrants!!