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Old 01-21-2014, 11:33 AM   #29
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I don't think the issue here is whether or not the statement is true/false.....we all know the answer to that.

The issue is that GS would actually put into print this gross misinformation where new and inexperienced rv owners could get into a lot of trouble following this instruction. And, of course, what they are going to do about it.

I posted in rv.net and received a note from a GS rep that she was going to look into this and get back to me. So far, nothing back from her. If and when she does reply, I'll post the answer back over here.


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Old 01-21-2014, 06:23 PM   #30
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Ok, finally got an answer back from the GS rep. Here it is in its entirety.

Hi everyone - I checked with the author to clarify this passage in our Beginner's Guide to RV Travel in the 2014 Good Sam RV Travel Guide. We definitely didn't adequately explain the process involved in emptying holding tanks on pages 56 and 57.

We should have specified that that the black tank dump valve should be opened only after the black tank is adequately full. Please consult this excerpt from an article on our Good Sam Camping blog that addresses the concerns posted.

A Holding Tank Primer | Good Sam Camping Blog

I hope I've answered the questions raised and my apologies I didn't get back to this post sooner.

Thank you for your understanding and be assured I will answer your queries as soon as possible whenever you post - Sundays and however strange included

Kind regards,

Sr Product & Marketing Manager


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Old 01-21-2014, 08:23 PM   #31
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Say what?
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Old 01-21-2014, 09:51 PM   #32
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Originally Posted by dcrbmwc View Post
New Good Sam Campground Directory says leave black tank dump valve open while hooked up and keep grey tank dump valve shut. They state this in two places. What gives? Opinions and experience requested.
Definitely a black tank...gray tank inversion.

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Old 01-21-2014, 11:27 PM   #33
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Anyway, we usually keep both valves shut, for multiple reasons.

First reason is we are hooked up all winter, and it gets cold. This winter we had a deep freeze (negatives and single digits). I am used to sub-freezing temps, but it usually doesn't get that cold. Needless to say, the drain line froze up. After several hours, I had it almost completely thawed, except for one spot...and it broke!

We now keep the valves closed, and use pvc piping during the winter.

The other reason is the gray tank makes for a good washer after draining the black. When hooked up for the summer, we tend to keep the gray open, then do a partial fill-and-dump when the black tank is ready to dump.

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