A Sea Water Heat Exchanger End Cap closes off the ends of the heat exchanger. The end cap protects the heat exchanger from the corrosive effects of seawater and the elements. The end cap seals the heat exchanger, preventing seawater from leaking out and preventing air from leaking in. Attributes:● Prevents heat exchanger tubes from flexing or collapsing● Manufactured to precise specifications and is durable and reliableApplications:A Sea seawater heat Exchanger End Cap protects the ends of heat exchanger tubes from damage.