Calorifier of the hot water tank. 6,000 litter.

Steam exchange header. Before took off the thermal insulation material.

Steam exchange header. After took off the thermal insulation material.

Steam heat exchange coil.

Final Wash the steam heat exchange coil by the high pressure water.

Before took off the heat exchange coil from body. This picture shows the heat exchange coil flange.

Took off the stream heat exchange coil.

Wash inside of the heat exchange copper pipes by the high pressured water.

Check and clean inside of the heat exchanger.

Manhole. Before took off the thermal insulation material.

Manhole. After took off the thermal insulation material.

The bottom part of inside of the calorifier. We check and clean.

The inspection from the government. It’s required by the government to Overhaul inspection once a year.

Same as above.

If there were some scratches or the damages, owner. Il wasn't allowed to use those tanks.