You can use the CSV with any size tank you want, which makes your toilet flushing theory a moot point. However, it is better for the pump to cycle on for every flush of a toilet than to cycle for long term uses like showers and sprinklers. Even with a small tank the CSV doesn't cause the pump to cycle for every toilet flush, but rather every water use event. If you flush a toilet a hundred times in a row, the CSV only lets the pump cycle once. If you flush a toilet, wash your hands, get in the shower, or a washing machine starts filling, the CSV still only let the pump cycle once.
A 100 gallon pressure tank only holds 25 gallons of water, which is only good for fifteen 1.6 gallon flushes. Since the CSV keeps the pump running until you stop using water, even with a small tank the pump only cycles about 25 times a day, no matter how many times you flush a toilet.
A 100 gallon pressure tank only holds 25 gallons of water, which is only good for fifteen 1.6 gallon flushes. Since the CSV keeps the pump running until you stop using water, even with a small tank the pump only cycles about 25 times a day, no matter how many times you flush a toilet.