4 FUNCTION VALVE
This compact and economical valves performs four important functions for
your LMI pumps. It provides protection for the diaphragm type
anti-syphon. Protects from back pressure. It is used as a
priming aid/line drain. And it also provides pressure relief.
Priming with the 4 function valve is
simple and is achieved by a turn of the pressure relief knob. We
highly recommend this accessory for every LMI electromagnetic pump.