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Old 05-01-2013, 02:48 PM   #1
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Plumbing - getting going after winter

Hopefully I didn't break something....

Last fall I winterized by blowing the air out of my plumbing. Just now I refilled the tank to get it all up and going again and ... nothing. The pump runs but no water is flowing.

Do I need to prime anything or should it just be "flip-n-go" in terms of getting water back into the system?
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Old 05-01-2013, 03:04 PM   #2
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Quote:
Originally Posted by ThunderRoad View Post
Hopefully I didn't break something....

Last fall I winterized by blowing the air out of my plumbing. Just now I refilled the tank to get it all up and going again and ... nothing. The pump runs but no water is flowing.

Do I need to prime anything or should it just be "flip-n-go" in terms of getting water back into the system?
Check to make sure you are drawing from the tank and not the winterization hose. There should be a valve that you possibly overlooked.
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Old 05-01-2013, 03:06 PM   #3
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The pump should be self priming. It might take quite a bit of pumping to fill the water heater. Is there air rushing out of the faucets?

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Old 05-01-2013, 03:09 PM   #4
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If you changed the water heater bypass valves correctly then the pump is filling the water first.
You have to flip open the pressure relief valve on the ater heater to purge the air.
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Old 05-01-2013, 03:10 PM   #5
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Winter

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Summer
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Old 05-01-2013, 03:11 PM   #6
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Out side water heater compartment
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Pressure relief valve

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Old 05-01-2013, 03:33 PM   #7
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Opening a hot water faucet will work just as well as opening the pressure relief valve.

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Old 05-01-2013, 03:56 PM   #8
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Opening a hot water faucet will work just as well as opening the pressure relief valve.

Joel
Not necessarily. When I had my valves wrong on the first trip of the season- I would get cold out of my hot taps AND my HW tank didn't fill. I had to switch the valve and then I heard the HW tank filling via the pressure relief valve (at that point- you're probably right and the hot water tap would have been sufficient).

I only say it because I had a false sense of security because water was coming out of the taps. I thought my HW tank was full and was fixing to turn on the HW heating element. It wasn't until I checked the pressure relief valve did I call myself a dummy (and lucky had a mobile RV tech there for other issues that I got saved from burning it up).
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Old 05-01-2013, 03:59 PM   #9
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Thats exactly why u use pressure relief valve.

If u forget to turn bypass valves at all you'll get water out of hot tap eluding to the water heater full when in fact its still bypassed.
With the pressure relief valve you know.
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Old 05-01-2013, 04:03 PM   #10
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joel your way only works if you remember to un bypass water heater
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Old 05-01-2013, 04:08 PM   #11
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Ok after fiddling around I still don't seem to be getting what I should.

1) HW By-pass is in the summer position,
2) All faucet valves off (shower and sink)
3) Flipping on the pump and it is running, but no water is flowing (tank is full)
4) Hooking up the shore water and water flows through the system, filling the filter canister and I can hear it going into the HW heater
5) going back to tank water with the pump on (hose no longer attached), and nothing - pump runs by no water seems to be moving through the system.

I don't see/recall any valve to switch from shore to tank water - thought it was pretty automatic.

I hope I'm missing something really simple here.
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Old 05-01-2013, 04:10 PM   #12
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You probably don't have enough water in fw tank.

Those tanks fill very very slowly don't turn your hose on full blast to fill tank water can flow in tank faster than air can escape which causes belching making you think its full.
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Old 05-01-2013, 04:10 PM   #13
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Thats exactly why u use pressure relief valve.

If u forget to turn bypass valves at all you'll get water out of hot tap eluding to the water heater full when in fact its still bypassed.
With the pressure relief valve you know.
Good point. I hadn't thought of that.

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Old 05-01-2013, 04:39 PM   #14
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Looks like the advice about filling the tank more-slowly did the trick. That or fiddling around and swearing a lot did the trick.

I refilled the tank slower until water was coming out the air outlet and then tried again. took a minute, but eventually the pump started pumping water, filled the HW tank and gave me both hot and cold from the faucet and shower.

I'm pretty sure my FW tank was full when all of this started, but I'll just go with what works now and call it a day. Thanks for all the fast responses
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Old 05-01-2013, 04:44 PM   #15
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Looks like the advice about filling the tank more-slowly did the trick. That or fiddling around and swearing a lot did the trick.

I refilled the tank slower until water was coming out the air outlet and then tried again. took a minute, but eventually the pump started pumping water, filled the HW tank and gave me both hot and cold from the faucet and shower.

I'm pretty sure my FW tank was full when all of this started, but I'll just go with what works now and call it a day. Thanks for all the fast responses
Good to know you got it !

I allow mine to fill so slow it takes a good 25 minutes to fill 42 gallons
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