Robert C. O’Brien

Heating oil doesn’t have the market share of some of the other fuels, but it’s used in about 4.5 million homes in U.S. Most of these homes are concentrated in the Northeast, but heating oil is in use to some degree in almost every state in the country. And the heating oil’s market share has Read more

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Indirects & Zone Valves?

Zone valves and indirect water heaters? I’m guessing most guys would rather drink warm beer than install an indirect with a zone valve. Why? The answers given are usually the standard ones given about zone valves in general, slow recovery, not enough flow, bad practice, no DHW if circulator pump fails but in reality the Read more

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