Rogues Gallery - without servicing you could end up relying on pumps like these that were still in duty when discovered.

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This pump had been forgotten about and was still operating when discovered. A typical example where site await the BMS to tell them there's a problem.

Excellent example where a pump has been installed incorrectly and never corrected.

Out of sight, out of mind. Cold Water expansion vessel tucked away in a corner.

A small integrated booster, looks like the pressure tank could fail soon.