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This inspection cap is a locking retrofit cap which can be fitted to the 4″ inspection point on all oil storage tanks. Generally, this cap is used to replace either the black 1/4 turn locking cap or the 4″ black screw cap with a female thread. This cap is supplied with fitting instructions and is now supplied as standard on all Harlequin oil tanks.
Cap 4″ Inspection Point
Phillips Head Electric / Manual Screw Driver
To enquire about the Cap 4″ Inspection Point please complete the short form, or call us on +44 (0)28 9261 1077.