Import import trap or trap is known for the steam pipe network and devices, can automatically discharge condensate, air and other non-condensing gas, and blocking water vapor leak valve.

When the water level of condensate in the drain sump goes up, the cup flows up until it shuts the admission pipe again, the following cycle starts.

This pan is to protect the property from damage which may occur from normal condensate formation on the tank or leaks in the tank and pipe connections.