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Old 01-17-2021, 08:11 PM   #1
Gus
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Default Water heater help needed

Went to flush it today as I havenít done it in a while and it is obviously clogged with sediment. When I opened the valve it started to flow then stopped. Anyone have any ideas?
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Old 01-17-2021, 08:15 PM   #2
Buck hunter332
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Sediment chucks are clogging the value sounds like. Really hard to get em out might be able to take the valve off the heater if it’s threaded and get the chucks out them valves choke down the flow quite a bit
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Old 01-17-2021, 08:15 PM   #3
brokeno
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Flush it back and forth until it flows
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Old 01-17-2021, 08:17 PM   #4
Cookiemonster1
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start to drain first with main water turned on and then turn off water as draining. might just not be getting air flow to drain. once drained if it as a lot of sediment you can remove the bottom element and use a wetvac with a PVC piece made to suck it all out.
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Old 01-17-2021, 09:51 PM   #5
merlin
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Replace the valve with a brass nipple and ball valve, then install male hose thread on valve. When u finish flushing screw a cap on it.
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Old 01-17-2021, 11:00 PM   #6
Gus
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Quote:
Originally Posted by brokeno View Post
Flush it back and forth until it flows
How would you do this? When I open the valve where the hose is connected it wonít drain. I have the water supply on.
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Old 01-17-2021, 11:02 PM   #7
Gus
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Quote:
Originally Posted by Cookiemonster1 View Post
start to drain first with main water turned on and then turn off water as draining. might just not be getting air flow to drain. once drained if it as a lot of sediment you can remove the bottom element and use a wetvac with a PVC piece made to suck it all out.
I have the supply on but it will not drain when I open the valve the water hose is connected to.
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Old 01-17-2021, 11:36 PM   #8
bowtec8
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It’s air locked. Flip the the over flow switch open on top and it will flow. Mine did the same thing.
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Old 01-18-2021, 01:01 PM   #9
4dog
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does it have a plastic drain valve ?.. if so you can take the top off of it and poke something in it to get flow...also...turn off inlet valve and unhook it that will relive airlock..might have to poke it a couple or ten times..lol..when it starts to spew at the outlet valve put that cap back on till it clogs again and repeat the unclof procedure....good luck
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Old 01-18-2021, 01:06 PM   #10
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unplug heater whatever you try.
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Old 01-18-2021, 02:15 PM   #11
Hoss163
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You turn water off un screw the supply lines from nipples. If it doesn’t drain in screw the drain valve poke a wire in it and watch out sediment will start flowing out get a bucket to catch water . When it starts flowing out really good put valve back in hook up hose and drain it . If it stops draining do steps 1-3 again.
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Old 01-18-2021, 06:40 PM   #12
sports
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Open a hot water faucet or several and see if that releases the air lock. If it does not i used an air blower hooked up to my air compressor at a low psi setting....30psi or so and blow thru your drain hose back into the water heater until it start to drain. It took a few cycles to get it going.
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Old 01-18-2021, 07:14 PM   #13
White Falcon
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Easy fix..... I use my air compressor to blow air in the drain. It will unclog it. I would be thinking about purchasing another water heater.
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Old 01-19-2021, 12:09 PM   #14
macoop
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It’s probably air locked. Pull the lever on the R&R valve at the top of it and open a faucet on the hot side and it should drain. If not blow through the drain with an air hose and you should be good to go.
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Old 01-19-2021, 02:46 PM   #15
texan16
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Lots of good advice.... on a side note, how often should you drain your water heaters? I have two in my house we built 15 years ago and I have never drained them.
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Old 01-21-2021, 06:42 PM   #16
Olphart
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You should drain them annually.
Texas16, you're livin' on borrowed time before a disastrous mess. Check them for rusting bottoms and get ready to replace.
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Old 01-22-2021, 08:36 AM   #17
texan16
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Quote:
Originally Posted by Olphart View Post
You should drain them annually.
Texas16, you're livin' on borrowed time before a disastrous mess. Check them for rusting bottoms and get ready to replace.
I figured I was way overdue. Biggest reason I have avoided draining them is that one is in a closet in my wifes "photo studio" and there is a ton of stuff around it in that closet that I dont want to mess with. Guess I better suck it up and take care of them before I have a huge mess.
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Old 01-22-2021, 09:04 AM   #18
crxshooter
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I flushed mine monday. When I opened the valve it just dripped. Pulled the top off of the valve and solid white chunks. Used the air compressor with a small end nozzle, stuck it as far as it would go and pulled the trigger. When I pulled it out, I realized I should have been wearing my Frog Toggs and rubber boots.. Repeated this numerous times until it started draining. Turned the water back on and finally no "rocks". Couldn't believe the crud that came out of it.
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Old 01-26-2021, 06:20 PM   #19
Gus
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Update

I tried the method of using air, about 40#’s. Took about two or three blasts and she opened right up and started flowing. Just a heads up if anyone else ever has this issue.
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Old 01-26-2021, 06:23 PM   #20
twistedmidnite
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Quote:
Originally Posted by White Falcon View Post
Easy fix..... I use my air compressor to blow air in the drain. It will unclog it. I would be thinking about purchasing another water heater.
This. I had to do it everytime I drained mine when I was well water.
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Old 01-26-2021, 06:23 PM   #21
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Quote:
Originally Posted by Gus View Post
Update

I tried the method of using air, about 40#ís. Took about two or three blasts and she opened right up and started flowing. Just a heads up if anyone else ever has this issue.
Well then, its obvious I didn't read the whole thread before I posted
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Old 01-30-2021, 02:24 AM   #22
FitBoy
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My suggestion is to close down the warmer and colder valves on the top and shut down the gas (use the knob on the water heater itself if available). Place a hose on the drain valve of a drainage tank. Open the valve slowly until Around 1 or 2 gallons per minute have reached a gentle but steady stream rate.
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Old 01-30-2021, 04:40 PM   #23
Wayno
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Our old house didn’t have a water softener, so we got terrible amounts of hard water deposits. Each year, I would drain it. Then I would take it out to the driveway and remove both heating elements. I’d run the garden hose in the top one and tip it on its side to let the water and deposits flush out the bottom one. I did it this way, because the bigger chunks wouldn’t flow through the drain valve. I’d also have to bottom heating element hole with a bent clothes hanger to break up the deposits. I’m sure this prolonged the life, as it was almost 20 years old when we moved.
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