Special note: This is a high-pressure regulator valve， pressure valve bottom with ordinary household usage vary， depending on the above adjustment screw rod to control the size of air pressure， so do not understand the use of the pressure control valve ，， [Ordinary household water heater / small family can not be used by low pressure furnace] Please do not shoot， avoid unnecessary trouble! Appear shoot the wrong need return， go back to the freight borne by the buyer. Thank you for your understanding!
