Crystals 5L Tea Coffee Pot Vacuum Insulated Pump Action Flask - Silver

No, it is recommended to hand wash the flask to preserve the vacuum seal and the integrity of the pump mechanism.

It is not recommended to use carbonated beverages as the pressure build-up can interfere with the vacuum seal and dispensing mechanism.

While performance varies based on external ambient temperatures and how full the flask is, the vacuum double-wall insulation is designed to retain heat for several hours.

Yes, the vacuum double-wall construction prevents heat transfer, keeping the exterior safe to touch even when filled with boiling water.

The pump is designed to provide a steady, controlled stream suitable for filling standard mugs or cups without splashing.

Check if the internal intake tube is properly connected to the pump mechanism and ensure the lid is screwed on tightly.

Ensure the lid is fully tightened and that the gasket seal is not obstructed by debris; priming the flask with hot water before use also helps.

Clean the pump area with warm water to remove any dried beverage residue that may be causing friction.