Length of Sewer Pipe and Water Line

[babock]

Originally Posted by itat

I've been at several dump stations, particularly Provincial Parks here in Ontario, that provide a rinse hose that doesn't have a hose fitting on the end of it. I suppose, as long as there's no one waiting in line, you could always put one of these fittings on the end of the hose and just leave it for the next guy to use too.

You would need a male end on the hose...not female.

[itat]

Originally Posted by babock

You would need a male end on the hose...not female.

OK. No problem.



5/8 in. Male Hose Mender

[FlagstaffT23FBSOwner]

Not all have a black tank flush.

[cavie]

no black flush here. also can't use a wand. 2-45's from toilet to tank.

[smullen]

Originally Posted by clarkbre

It will look just like the city water hook up but say "black tank flush". It will look like a garden hose fitting.

Our camper does not have this option...

But, we only a 17'er...

I just add or keep plenty in the fresh tank and after we dump the black, we dump grey, then I turn on the sinks and hold the flushed down to put a bunch of fresh into the black and grey and dump again, I do that several times....

Depending on how full it was and how it looks (Clear Elbow) coming out...

[mwdilday]

30' Electric + 15' extension
2-25' water hose
4-10' sewer hose
50' cable coax

[Dwilcox]

Originally Posted by babock

That seems like a good idea.

Not sure about the black tank flush backing up however. Seems almost impossible.

The vacuum breaker installed in the black flush system is what is supposed to keep the black tank and flush hose separated during a backflow incident, (Back siphonage is the only form of backflow it will protect the potoble water system from ) it is a mechanical device and will fail at some point so even if the black water level is below the flush inlet, you will still suck black tank gas into the hose during a back siphonage incident. Bugs, methane, etc. I would rather not risk it.

[babock]

Originally Posted by Dwilcox

during a back siphonage incident.

I am 59 years old and, in all my life, I have never had an incident where the water pressure died and had a back "siphonage" incident. You would have to have the water pressure stop and start flowing in the reverse direction "AND" the siphon break will need to fail. I think I will take my chances.

[itat]

Originally Posted by babock

I am 59 years old and, in all my life, I have never had an incident where the water pressure died and had a back "siphonage" incident. You would have to have the water pressure stop and start flowing in the reverse direction "AND" the siphon break will need to fail. I think I will take my chances.

Babcock, why do you feel a need to argue this point? These anti-siphon/vacuum break/backflow preventer devices exist because the possibility exists for it to happen. I worked in the municipal water supply industry for over 25 years and backflow preventers are installed regularly in the industry.

Yes its unlikely to happen, but their use is required by plumbing codes because it happens often enough.

If you want a better understanding of these devices and why they’re used, search for info at the American Water Works Association.

[spock123]

I don’t use my outside shower so I hook that up to the black tank flush. I have a brass back water flow preventer on the hose. I can use hot water to clean out the black water tank

[Dwilcox]

A community near me is under a boil water order from the health department right now. Last year 2 other community's were under boil water order. Water main breaks caused contamination in the main, if unprotected cross connections were present they would be that much worse. It's how it happens. A sudden vacuum on the supply side. It has happened before and will happen again. I prefer not to risk my family. As a Plumber for over 30 years I have seen what can happen.

[babock]

Originally Posted by itat

Babcock, why do you feel a need to argue this point? These anti-siphon/vacuum break/backflow preventer devices exist because the possibility exists for it to happen. I worked in the municipal water supply industry for over 25 years and backflow preventers are installed regularly in the industry.

Yes its unlikely to happen, but their use is required by plumbing codes because it happens often enough.

If you want a better understanding of these devices and why they’re used, search for info at the American Water Works Association.

Itat, why don't you actually read what I wrote. Where did I say anything about not using a back flow device? WHO is arguing here?

Here is what I said

You would have to have the water pressure stop and start flowing in the reverse direction "AND" the siphon break will need to fail.

[itat]

babock, respectfully, you've made these 3 posts on this thread where you questioned the possibility of backflow and the need for a backflow preventer type of device.

Originally Posted by babock

Curious why don't you use your regular water hose for the black water flush? It's not going to have anything in it other than water. Not sure why it's necessary to carry 2 hoses.

Originally Posted by babock

That seems like a good idea.

Not sure about the black tank flush backing up however. Seems almost impossible.

Originally Posted by babock

I am 59 years old and, in all my life, I have never had an incident where the water pressure died and had a back "siphonage" incident. You would have to have the water pressure stop and start flowing in the reverse direction "AND" the siphon break will need to fail. I think I will take my chances.

The sentence I bolded suggests you don't believe what I and several other posters have said about the possibility being real.

I provided my response to the OP's question back on post #23. Hopefully this thread will get back on topic.

I'm out. Unsubscribed.