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05-01-2013, 02:48 PM
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#1
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Senior Member
Join Date: Jul 2012
Location: Madison, Wi
Posts: 164
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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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2012 Lincoln MKX
2013 Rockwood A122BH A-Frame
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05-01-2013, 03:04 PM
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#2
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Phat Phrog Stunt Team
Join Date: Apr 2012
Location: Tipp City, OH
Posts: 7,154
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Quote:
Originally Posted by ThunderRoad
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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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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2016 Georgetown 364TS
2017 Jeep Rubicon Recon toad
Nights Camped 2019 - 17
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05-01-2013, 03:06 PM
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#3
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Senior Member
Join Date: Feb 2012
Location: Lake County, Illinois
Posts: 301
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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?
Joel
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2011 Silverado 2500HD Duramax, 4x4, crew cab, long bed
Palomino Puma 253-FBS, 27' 5th wheel
1994 19' Class B on Chevy chassis
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05-01-2013, 03:09 PM
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#4
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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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.
Pics to follow
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05-01-2013, 03:10 PM
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#5
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Winter
Summer
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05-01-2013, 03:11 PM
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#6
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Out side water heater compartment
Pressure relief valve
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05-01-2013, 03:33 PM
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#7
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Senior Member
Join Date: Feb 2012
Location: Lake County, Illinois
Posts: 301
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Opening a hot water faucet will work just as well as opening the pressure relief valve.
Joel
__________________
2011 Silverado 2500HD Duramax, 4x4, crew cab, long bed
Palomino Puma 253-FBS, 27' 5th wheel
1994 19' Class B on Chevy chassis
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05-01-2013, 03:56 PM
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#8
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,890
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Quote:
Originally Posted by Great Horned Owl
Opening a hot water faucet will work just as well as opening the pressure relief valve.
Joel
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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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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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05-01-2013, 03:59 PM
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#9
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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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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05-01-2013, 04:03 PM
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#10
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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joel your way only works if you remember to un bypass water heater
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05-01-2013, 04:08 PM
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#11
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Senior Member
Join Date: Jul 2012
Location: Madison, Wi
Posts: 164
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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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2012 Lincoln MKX
2013 Rockwood A122BH A-Frame
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05-01-2013, 04:10 PM
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#12
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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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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05-01-2013, 04:10 PM
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#13
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Senior Member
Join Date: Feb 2012
Location: Lake County, Illinois
Posts: 301
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Quote:
Originally Posted by f1100turbo
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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Good point. I hadn't thought of that.
Joel
__________________
2011 Silverado 2500HD Duramax, 4x4, crew cab, long bed
Palomino Puma 253-FBS, 27' 5th wheel
1994 19' Class B on Chevy chassis
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05-01-2013, 04:39 PM
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#14
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Senior Member
Join Date: Jul 2012
Location: Madison, Wi
Posts: 164
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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
__________________
2012 Lincoln MKX
2013 Rockwood A122BH A-Frame
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05-01-2013, 04:44 PM
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#15
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by ThunderRoad
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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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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