27/10/2026
The sump goes back on, the plug is new, and it still drips. Nine times out of ten the culprit is the copper crush washer you reused. It has already been squashed once, so it will not seal the same way twice. Treat it as a consumable, not a fitting: a fresh washer costs pennies and saves dropping the sump again. Sump plugs and copper and steel washers in metric and imperial sizes, in stock for Click & Collect or delivery. Phone orders and trade accounts welcome.