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📘 Stored water supplies the flush

Stored water supplies the flush

lessons

~10 min

to learn

🔬 Science

subject

Adults

level

Start the course →

What you’ll learn

The tank
The handle
The bowl
The trap
The siphon
The refill
Overflow
Water economy
Pressure assist
The loop

Questions this course answers

What lifts the tank flapper?

The handle rotates a lever that lifts the flush valve.

What starts the siphon?

The connected column lets gravity pull water down the drain side.

What controls refill level?

The rising float closes the fill valve at the set level.

What is the overflow tube for?

It prevents water from spilling over the tank rim.

Grounded in trusted sources

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Every Wunder lesson is built from real, reputable sources — never invented.

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