Flow control valve stuck closed?? - flow check valve boiler
The RMC Pressure Reducing Valve is for use in industrial and commercial installations. Fitting the valve at the mains supply protects downstream installations from variations in supply pressure. Use of a Pressure Reducing Valve can minimise water wastage.
The Bermad 15mm vacuum breaker is purposefully designed to enable the entry of air into the irrigation system when vacuum conditions occur during the shutdown and drainage of drip lines. Its primary function is to prevent the infiltration of dirt into drippers when vacuum pressure is present.
8615510865705 
8615510865705