Dennis CTB,

You'll have to be careful when choosing a filter system for your hot water lines.

Most filter housings are made of plastic, and may not be rated for hot water use. Hot water may soften the plastic, allowing it to swell under pressure. Worst case scenario.....the plastic fails, flooding your home.

I would suggest a metal housing. In addition, you may want to ask about what filters to use, as the hot water may also cause a problem with them.

As for filters........

Filters are rated in microns. For most people, 10 or 20 micron filters are fine. These will stop sand from getting through. You can also get filters that go as small as 5 micron, which will filter out most silt.

Since you're dealing with fairly large debris, a 20 micron filter would probably work just fine.

The better filters, such as the 5 micron type, will run you a bit more money. You'll save money if you can get by with a filter that doesn't filter out things that small.

Joel

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