connector 11 is installed on a structure before the cap member 12 and anode 100 are installed on the connector 11 the connector 11 carries the sealing member or cross slit valve 15 therein the connector 11 is installed by connecting it to the threaded bore 201 of the structure 200 this may be done by rotating the connector 11 and tightening the connector mating threads 13 against the threaded bore 201 the connector 11 may remain installed on the structure 200 when subsequent replacements of the anode 100 are to be made according to a preferred embodiment of the method the connector 11 remains attached to the structure 200 and the cap member 12 with the anode 100 e g the remaining portion of the anode 100 is removed from the device 10 by depressing the cap member 12 to lower the pins 102 in the inner slots 28 and rotating the cap member to rotate to pins 102 along the channel 29 into alignment with the outer slots 27 of the upper body portion 11 b the cap member 12 and any portion of the anode 100 attached thereto is then withdrawn from the connector 11 by lifting the cap member 12 and remaining anode portion in the case where the spent anode is being removed from the connector 11 b according to the embodiments where the anode 100 u2032 includes pins 56 57 fig2 a the pin handles 56 57 may be used to rotate the anode 100 u2032 to install and remove the anode from the device 10 according to a preferred embodiment the connector 11 remains installed on the structure such as the pipe 200 and the cap member 12 is removed from the device 10 along with any remaining the portion of the anode.