my jabsco y valve. help w position

[luvitt]

i cant get my head in compartment where the y valve is. so i cant really tell what the face of it says. Its an older jabsco with the blue handle.

I looked on the jabsco website and they show arrows on the body, but they dont say which way u r supposed to turn the handle. should i imagine another arrow on the tippy end of the handle and line them up (dont know if thats possible?)? Or should i line up the lockout holes? there is a lockout hole on the end for the thru hull discharge, and a lockout hole for the tank. i think im thinking about it to hard!! if i line up the lockout holes on the handle and tank end, the pointy end of the handle is not lined up. I guess the point end means nothing? im guessing the hose connections are rotatable, so depending on the rotation would alter your view of the pointy end of the handle!!

such a simple thing. I know im thinking to hard. seems like there should be an arrow on the handle too, that way u know which way u r lining it up.

i think im going into the holding tank, but i cant tell. this tank is inaccessible and the thru hull discharge is below the waterline.

im sure this has been asked somewhere before, sorry i couldnt find it.

thanks

 

[Rick I]

You have to line up the hole in the handle with the hole in the valve body, either straight out or holding tank.

 

[Rick I]

You can hear it going into the tank or bubbling out the thru-hull. Just listen carefully. Another test is to close your thru-hull and pump, if you can pump it's going into the holding tank, if you can't pump it's directed to the thru-hull.

 

[Paul Mermelstein]

my jabsco y valve. help w position

You can hear it going into the tank or bubbling out the thru-hull. Just listen carefully. Another test is to close your thru-hull and pump, if you can pump it's going into the holding tank, if you can't pump it's directed to the thru-hull.

I agree. Also, while pumping the head, put your hand on the hose to the thru hull, then on the hose to the tank. You can feel the difference and that also tells you which way the valve is set.

 

[Peggie Hall HeadMistress]

If you can't see it, how can you maintain it?

How do you know which side coming off the y-valve goes overboard and which side goes to the tank? What shape the hose clamps/connections are in? Would you be able to see what's happening if it started squirting water?

If you can't even see it well enough to know which way the handle lines up, I'm gressing the answer is no.

I know this isn't the question you asked, but IMO the first thing you need to do is improve the access to the y-valve.

Meanwhile, to answer your question... First it helps to know how a Jabsco y-valve works: higher quality y-valves have a "barrel" inside that the handle rotates to open up one side while closing off the other side. Jabsco y-valves just have a little "gate" instead of a barrel...the handle swings it from one side to the other. It's highly prone to failure and leaking, btw.

No matter which type your y-valve is, the FRONT end of the handle (not the end you grasp, the other end) will always be on the side thats open. Iow, if you look at the photo on the website, it's the left side that's open.

 

[Vic Willman]

"Y" Valves

If the "Y" valve was installed correctly to begin with (no way to tell for sure), but assuming that it was, there's a common input to the valve, and two output ports which are manually selectable. Usually the selector handle will point to the open output port.

Some "Y" valves have a handle shaped like a boomerang. In that case the ends of the handle will point to the two open ports (common input and output that has been selected). In this type of "Y" valve, regardless of selected position, one end of the handle will always point to the same port - that is the common input port.