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Low profile spanner for installing or removing the male/screw-in section of the Leafield Marine A6 pressure relief valve or B7 valve in order to service, clean or replace the valve.

Valve is tightened using hand pressure before checking the valve for leakage (see guide here) and further tightening if necessary.

  • For use in the field or in a spares kit.

Leafield Marine part number: C166056

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