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drain valve on water system


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Not really an oops, but I learned something after 35 years of RVing.

My dolphin has a couple of drain valves for the domestic water.  They are angle valves that dump through the floor to the driveway.  There is a circular pull that looks like the pull ring on a hand grenade.  I discovered this today while reinstalling my water heater plumbing.  Pretty cool.   They are on the floor of the closet, under the water heater.  Pull the ring and the water drains.

I avoid living where it freezes, or where air conditioning is used.  I usually do very little to winterize.  Never had a problem.

Edited by FredNewell
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Well Mr. Leakman Fred LOL.  I have the same type of pull rings on Grannie. After reading another post of someone pulling up the rings and now has a leak there I don't touch nothing! That old plumbing scares me! When I replaced my toilet I held my breath when turning the pump on. No leaks!

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2 hours ago, markwilliam1 said:

I Don't like to fix leaks LOL!

If your drain valves are like mine, there is an easy fix for a possible leak if you use the valves. Mine did just that when we first got our Dolphin. I used them to drain the system and afterward, one of them leaked. I discovered that the valves, ( in my case they are T-valves that pull up to drain the system) pull completely out. They have an O-ring on them that gets funky with age. I replaced the O-ring on the the leaky T-post and, voila!, leak fixed.

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I'm just going to use my pump to drain the tank.....No leaks that way?

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