AUTOMATIC BY PASS SAFETY VALVE FOR USE IN A DOMESTIC CENTRAL HEATING SYSTEM. IF PRESSURE IN THE SYSTEM IS EXCEEDED THE VALVE OPENS AND RELEASES WATER. MADE FROM BRASS. SIZE 22MM.
AUTOMATIC BY PASS SAFETY VALVE FOR USE IN A DOMESTIC CENTRAL HEATING SYSTEM. IF PRESSURE IN THE SYSTEM IS EXCEEDED THE VALVE OPENS AND RELEASES WATER. MADE FROM BRASS. SIZE 22MM.
AUTOMATIC BY PASS SAFETY VALVE FOR USE IN A DOMESTIC CENTRAL HEATING SYSTEM. IF PRESSURE IN THE SYSTEM IS EXCEEDED THE VALVE OPENS AND RELEASES WATER. MADE FROM BRASS. SIZE 22MM.