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Old 10-11-2016, 08:52 PM   #1
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Black water gate replacement

Are they all the same as in do I need specifics when buying a replacement? What is the best brand to get? I may as well replace grey water while I am under there since they are enclosed right?

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Old 10-11-2016, 11:02 PM   #2
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Black is larger than the grey , but any RV store I've been in, only stocks the two sizes . Can't comment on different brands only replaced 1 set 12 years ago, and can't say what I used.

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Old 10-18-2016, 07:36 PM   #3
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Some trailers have enclosed tanks and valves, other have it all exposed. Mine is enclosed and heated. If enclosed there'll be a remote control system. Either a cable or electric drive system. I have used Valterra valves in the past on my 5th and a a TT I recently rebuilt. The standard Valterra valves will work in all assemblies I've seen. The cable control has a clam shell that mounts to one side the valve and provides an attachment point for the remote control cable. You might, but probably not need to replace the cable assembly as well. Yes I'd replace both the 3" and 1 1/2" valves at the same time and get it over with. Sometimes its easier to get the required clearance between parts to loosen both the bolts on valve assemblies. Probably depends on your tank arrangement. Hint, you might want to position your trailer so that the drain end of the tanks is uphill to reduce any remaining residue liquid from running out as you open those valve bolts.
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Old 10-18-2016, 07:39 PM   #4
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I replaced them. The front grey and black were both 3" and the rear grey was 1.5". They were all cable operated.
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ace, replace, replacement, water

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