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Old 10-24-2014, 06:17 PM   #1
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Blank tank flush

Anyone ever had their tank flush nozzle clogged??? I hooked up the water hose and hear nothing! Usually hear the water spraying quite loud...

Jason
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Old 10-24-2014, 06:32 PM   #2
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Jason,
Sounds like the back flow valve on the flush is clogged or broken. I believe that this issue has been posted about before. Should be easy to replace.
Tom
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Old 10-24-2014, 06:47 PM   #3
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Jason, we had the very same thing and they checked the check valve, we were at the rally and they replaced it but it still didn't work and they found it was the actual sprayer at the tank that was clogged and they said it was corrosion but we had only taken possession of the MH in April and this was August and our campground in the summer is on a well with hard water. Mike runs a water softener but he didn't used to for the black rinse now he does so another option to look at!
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Old 10-24-2014, 07:44 PM   #4
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I had the same thing happen, water barely coming out. I removed the sprayer and reamed out the holes to a bigger size. I used a regular drill bit, can't remember the size bit, but all I did was use a bit one size bigger than the holes. It's very easy to remove, drill out and replace.

One tip if you decide to do it. Once I had the sprayer out I hooked up to water to check how much water came out. Then once drilled I sprayed again and it was much more water coming out.
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Old 10-24-2014, 08:48 PM   #5
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I had the same issue this past summer. I left the hose connected to the black water flush with the water turned on The water was at full pressure as coming from the faucet (no pressure reducer). After about 1 1/2 hour I heard the water to start running through the flush tube. It eventually totally cleared and and has not given me any problems the rest of the summer. Have you tried to just give it time under pressure?


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Old 10-24-2014, 09:13 PM   #6
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Just a semi related point here--don't forget to winterize those black tank flushers. I would have totally neglected that if someone here hadn't pointed it out.

Now back to your regularly scheduled thread...
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Old 10-24-2014, 09:21 PM   #7
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Thanks to all for the reply!! How do I get to the nozzle to check it or remove it for those that have cleaned it?

Thanks

Jadon
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Old 10-24-2014, 09:22 PM   #8
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Jason!! Damn auto correct!! Lol
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Old 10-25-2014, 08:20 AM   #9
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Jason, on the PS side in the compartment where the water pump is located. The black tank sits above the FW tank. There is a panel that needs to be removed, mine had three screws holding it. Once you remove that panel you will see the flusher. I believe it has 4 screws holding it to the tank. Back those out then simply remove the nozzle. It has some black silicone type stuff as a seal. I just used some clear silicone when I replaced mine. It's a 30 minute job.
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Old 10-25-2014, 12:56 PM   #10
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Thanks for the info

Jason
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