How It Works. Simple and straightforward.

From an end-user standpoint, the operation
of a faucet with a Waterdance Valve is simple and
straightforward, albeit slightly different than the method we've all grown up with.

For a textual description of what's going on at the faucet, we've broken up the basics below. To see the complete system in action, view the animation. And for inquiring minds that want to know still more about what's happening behind the scenes, visit our Frequently Asked Questions page.

Section of a blueprint.Four colorful jigsaw puzzle pieces interlinked together. Red pipe wrench.White rabbit in a black top hat on a blue tablecloth, suggesting a little bit of magic.
Faucet Basics.  It's not the faucet you grew up with.

Turn on the hot water - and only get hot water.
When hot water is desired, simply turning on the hot water faucet causes the cold water in the line to flow directly to an accumulator (holding tank) for temporary storage. During this time, no water comes out of the faucet. In less time than it would normally take for the hot water to arrive at the faucet, the hot water will start flowing as usual, but without the wasted cold water going down the drain. If the hot water faucet is left on (open) after starting the heat-up cycle, as soon as the hot water is available it will start flowing from the faucet. If the hot water faucet is turned off (closed) immediately after starting the heat-up cycle, once the hot water has passed through the valve it will be available as soon as the faucet is turned back on. The amount of time it takes hot water to become available is a matter of seconds and is the same whether the faucet is opened and left open, or whether it is opened then closed. The wait time is less than without the valve and can be tuned according to various parameters. Once the hot water has reached the faucet, all actions are "normal" and will continue until the faucet is turned off and the hot water flow has cooled, typically several minutes at a minimum. The next time hot water is needed, the Waterdance Valve will perform the automatic cold-save cycle again.

What about the cold water?
The cold water faucet works as usual at all times. Behind the scenes, the cold water that comes out of the faucet will come first from the accumulator if there is any water in it, and second from the incoming city water supply. There is no interruption in the switch from accumulator water to city water. Any water found in the accumulator during this process is water that was previously saved as the initial cold-water runoff when hot water was used - which is the whole point of the Waterdance Valve. The process of obtaining water from both of these sources is automatic and not noticeable. The Waterdance Valve's automatic functions all happen behind the scenes and require no user inputs.

Need warm water?
It's worth clarifying that typical use of a faucet often requires some combination of both hot and cold water at the same time, which we'll call "warm water" - imagine that! For any use of a faucet that requires warm water, simply perform the normal hot water activation. Once hot water has arrived at the faucet, add cold water to obtain the desired temperature as you normally would. The water from the accumulator will be used (because it holds only cold water), ultimately depleting it before the city water supply kicks in.

About the accumulator.
The accumulator is what allows us to capture the water that would have otherwise gone unused down the drain. The only time water is being added to the accumulator is when there is a request for hot water and the water in the line has cooled below the desired temperature. Water will flow into the accumulator until the desired temperature is reached. The accumulator is sized to take many cycles. It can run subsequent cycles without any cold water usage, but when any cold water is called for the accumulator will empty into the cold water stream.

In other words...
To summarize, whenever the hot water faucet is on and the water is not yet hot, the cold water in the line is diverted to an external water storage tank called an accumulator. As soon as the Waterdance Valve determines that hot water is available, it stops the flow of water to the accumulator and opens the pathway directly to the faucet where hot water begins to flow as usual. When the cold water faucet is turned on (either by itself or in combination with the hot water faucet) the stored cold water from the accumulator flows to the faucet and is seamlessly followed by the incoming city water.

Bathroom sink and faucet with orange accent flowers and matching orange hand towel.
Baby girl covered in soap suds laughing in bathtub.
Condensation on a green surface.
Water stream falling onto a woman's hand.
Two Yorkshire terriers in a bathtub with bubbles and accent flowers.