LK 539 ThermoFill® EA is a filling valve for heating systems. The valve has an integrated shut-off/check valve, which ensures opening even at low pressure differences. The check valve is inspectionable and classified as a back flow preventer Type EA according to EN 1717.
The arrow on the valve body indicates the direction of the flow.
Male threads are sealed in the usual manner, alternatively M ¾” flat connection with captive nut and flat gasket.