Heatec expansion tank and pump skid at an asphalt terminal.

• The single expansion tank here is used for the thermal fluid system, including a backup heater
• The tank and pumps are remotely located outside of the building where the heaters are located
• Expansion tanks for smaller heaters are usually mounted atop the heater
• A nitrogen system is available to provide a nitrogen blanket inside the tank to minimize oxidation of the thermal fluid and prolong its life