High Country Plastics Black Replacement Cap for Water Tanks

The High Country Plastics replacement black cap, part ZC-100638, is the vented cap used on the older High Country Plastics water tanks. It fits the HR-35, the HMLD-48, the HMHR-48 and the RB-35.

The black cap is smaller than the white cap used on the newer tanks and the two are not interchangeable. If your tank came with a white cap, this one will not fit it, you want part ZC-100638-N instead.

By purchasing this cap, you confirm that you have measured the opening on your tank and compared it to the measurements shown in the photos of this cap. If the wrong cap is ordered, the replacement is the buyer's responsibility.