Pressure-Flushing Toilets
Especially in cities in the U.S. you may find a pressure-flushing toilet.
The ceramic tank is not used as a water tank, but it holds a plastic pressure vessel of maybe one-third to one-half the ceramic tank's volume. That pressure tank contains an air bladder.
When the tank is filled from the water supply line, the tank fills with water until the air bladder compresses to the point that the tank pressure nearly equals the water supply line pressure.
The result is a flush using half the water but under pressure. Unlike the weak "low-flow" toilets now required for new installations in the U.S., this system has a chance of effectively flushing the bowl.
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A pressure-flushing toilet in the Hawthorn Suites hotel, 467 Herndon Parkway, Herndon, Virginia, USA.
I was staying in the hotel while on a business trip, and removed the lid on the toilet in my room.
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A pressure-flushing toilet in the 51st Street Tavern, 2512 L Street NW, Washington DC, USA.
No, I didn't take the lid off, I found it this way.
Also see my high-tech toilet page.
| A Sani-Flush blue border indicates a toilet that I've used. |
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