blowdown

Here are nine things to do now that heating season is over and your boiler is not providing heat.

What is surging and why is it so bad? Water surge is the dramatic change in the level of water in your boiler. You’ll know it’s happening because the water in the boiler’s gauge glass will appear to bounce up and down, reflecting the rapid increase and decrease of water.

As a scotch marine steam boiler evaporates water to produce steam, fresh makeup water must be introduced into the boiler to continue the process.