Vacuum breaker valve DN50
– Material: PVC
– Connection: male thread fi60 (DN50) and Fi49 (DN40)
– Function: Protect tank against negative pressure, in addition to protect your plumbing and your water treatment system
– Manufacturer: Chihon -China
If your filter system does not have this built-in negative pressure valve, you can buy a separate negative pressure valve to install it right away.
What is negative pressure? How does negative pressure affect the filter system?