Brand New, simple sealing. Gaskets are deformed in the water cooling the leakage of the item. The exchange of the May Be Less than the minimum value in pressure release cap is highly recommended. zrr70g, zrr70 W, zrr75g, zrr75 W may be 07 years 6 – 14 years 1 month. zrr80g, zrr85g, zrr80 W, 1 month to 14 years, zrr85 W 2 month to 14 years, zwr80g