What is the y valve on a boat?

Y-valves are a means of controlling the flow of liquid from one source to two different outlets or from two sources to one outlet. On boats, one use is to control waste management. The Y-valve directs toilet waste to either a holding tank or directly overboard through an appropriate seacock.

Where is the Y valve on a boat?

“Y” valves are installed in line between the toilet and holding tank and between the holding tank and deck pumpout fitting. Advantages: Flexibility in discharge options. “Y” valves must be secured to prevent overboard discharge of untreated sewage when operating inside the three mile offshore limits.

What is the the purpose of ay valve on marine toilet?

Holding Tank with Optional Overboard Discharge In addition to the standard deck pump–out fitting, a Y–valve between the toilet and tank allows you to pump directly overboard when beyond the three–mile limit. In harbor, use the holding tank. Offshore, dump directly overboard.

Can you poop in a marine toilet?

Yes, with the solids. Marine/RV toilet paper is recommended as they compost the quickest.

How do boats dispose of human waste?

Most commonly, yachts will follow the same tactic as other ocean-faring vessels, in that they discharge waste directly into the oceans. Many of the modern vessels have holding tanks for human waste (black water), but wastewater (gray water) is usually evacuated into the ocean itself.

What is a 3 way valve?

A three-way ball valve has three ports or openings that are connected to piping or tubing for gas or fluid flow (media) to pass through. These ports are usually described as one inlet and two outlet ports or one outlet and two inlet ports depending upon the flow direction through the valve.

Is urine considered sewage?

The primary environmental concern with your sewage is not the urine (which is basically sterile) , but the feces. Human feces contains bacteria, pathogens, and nutrients.

Is it bad to poop in the ocean?

But it turns out that your own poop is actually more dangerous than those beasts. A study published in the International Journal of Epidemiology reveals that all the feces-related germs that eventually end up in oceans are actually harmful to beachgoers who go in the water.

What is a marine style toilet?

Marine toilets are designed to allow for sanitary conditions while out at sea. A traditional toilet would have water spilling from the toilet bowl as the boat rocks. Conversely, marine toilet bowls a kept dry until such time that they are being used, then water is pumped into the bowl.