Question about Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor

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Water heater flashes c7 - 76 and shuts off. can not restart until faucet is turned off. may on long enough for a shower or may have to restart 1-2 times. already removed burner assembly and cleaned with compresed air

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

snap101
  • 117 Answers

SOURCE: Tankless Paloma NG hot water heater shuts down

have you checked the error codes on the heater?
you can do this by powering off the controler and pressing the up and down keys for a few seconds. this should take you into the diagnostics mode scroll using the up and down keys till you find the one that has the letter E on it and that will give you the last 8 error codes write them down and get back to me

Posted on Jul 29, 2009

  • 3 Answers

SOURCE: Paloma PTG 74PV N1 Tankless Water Heater - stops heating

Most likely problem is the remote control not the main board. A safe temporary fix is to unplug the heater from the 110 volt outlet, remove the two low voltage wires from the remote control and use a small wire nut to connect the two conductors together. Plug the heater back into the 110 outlet and the heater should work just fine. The default water temperature is about 118 degrees at the heater. Replace the remote control ASAP.

Posted on Aug 03, 2009

  • 3 Answers

SOURCE: Paloma PTG-74PVN power turns off by itself

turn the water flow off and control off and hold the two arrow buttons together
then use the up arrow to get to e and the down arrow to get to 1 what do you see?

Posted on Sep 10, 2009

connertamago
  • 37 Answers

SOURCE: Rheem Eco-180dvn. Error code 12

actually, does it give you a big rumble? if it does, then your problem is that the meter's btu's are not high enough and there's too litle gas getting to the heater so it's blowing itself out, basically. you'll need to call your gas provider and ask for them to bring in a higher btu meter. around 220,000 btu meter is best, so your furnace and gas stove(if you have one) dont take to much gas themselves, meaning dont get a 180,000 btu meter, because it would only be able to supply the heater.

Posted on Oct 18, 2009

mrhotandcold
  • 248 Answers

SOURCE: rheem tankless water heater error code C4 13??

check diaphrapm valve or micro/switch best of luck

Posted on Oct 31, 2009

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Shower goes cold intermittently like there is a restriction in hot water delivery. Plenty of hot water when it comes back, but the cold blast is not fun. No shortage of hot water for long showers or...


Has nothing to do with the expansion tank, the expansion tank whole enough air so that when the heater heats the water it does not build up pressure. You know from school that you can compress ait. you CAN NOT compress water. When you haet water it expands until it turns to steam. So lets rule that out.

First look at all the plumbing in the house where there is a cross conection. This would be like a shower valve that has a personal shower head on it. and you turn of the water using the personal shower handle and not the valve at the wall. This then would let cold water to go into the hot water side piping.

Most people do that with out knowing it at the laundry sink. they put a hose on to was the dog and forget to turn off the faucet and then BANG cold water in the hot side.

Go around the house and turn off all the faucets and valves by using the handles. no add on things.

Now last could be the shower valve itself. . Do this happen in just one shower or all of them???

If its just the one and you spend the day doing the walk around, even check the bidet if you have one

its the valve. you need repair to that.

Best of luck in your hunt Tom

Sep 08, 2011 | Amtrol ST-5-C THERM-X-TROL ASME Expansion...

1 Answer

There is no water coming out of the shower after insulation


To clarify your question, are saying that you just had a new water heater installed in your house and the shower head in the bathroom can't get water through it? If that's what you meant, the water restrictor in the shower head is plugged with sediment. This often happens during water main shut offs and then turned back on. It shocks the sediment on the inside pipe walls. The first places it affects are shower heads and faucet aerators. Remove the shower head and clear the clog or replace with a new shower head. If this is not what you meant to say, then rewrite your problem.

Feb 19, 2011 | Water Heaters

1 Answer

My bosch instantaneous water gets cold when i shower


There are several things you can do to fix the problem.
1.You can turn the temperature up on the water heater.
2. Turn the maximum temperature setting all the way up on your shower faucet.
3. Clean the Bosch tank-less unit by flushing it with vinegar.
4. Remove the flow restrictor from your shower-head.

Oct 18, 2010 | Bosch Water Heaters

7 Answers

Water heater shuts off when the cold water is turned on


Not sure but check the inlet water at the heater, the filter may be clog up a little that restrict the flow. Did u use the heater at all during the winter? If not, the heat exchanger may be clogged with built up in there. U need to descale it. Good luck. Chinhcu

Mar 31, 2017 | Bosch Water Heaters

1 Answer

Tankless on demand water heater.


Tankless water heaters normally take a little longer than a regular heater to provide hot water because they have to start and get warmed up. I'm guessing the heater uses a pilot light and that the short amount of hot water when you turn on the tap is hot because when the water is sitting still in the heater the heat from the pilot light is enough to get it hot. The tub faucet will get hot a lot faster than the shower because it lets a lot more water through and empties out the pipes faster than the shower. You could probably speed things up by letting the tub faucet run on completely hot for like 10-15 seconds and then turning on the shower.

Oct 24, 2009 | RTO Takagi Jr. TK-JR-N Tankless Water...

4 Answers

Rheem Eco-180dvn. Error code 12


actually, does it give you a big rumble? if it does, then your problem is that the meter's btu's are not high enough and there's too litle gas getting to the heater so it's blowing itself out, basically. you'll need to call your gas provider and ask for them to bring in a higher btu meter. around 220,000 btu meter is best, so your furnace and gas stove(if you have one) dont take to much gas themselves, meaning dont get a 180,000 btu meter, because it would only be able to supply the heater.

Sep 19, 2009 | Rheem EcoSense by 7.4 GPM Tankless Water...

1 Answer

Rheem tankless water heater error code C4 13??


check diaphrapm valve or micro/switch best of luck

Sep 13, 2009 | Rheem RTG-53PVN Indoor Natural Gas...

1 Answer

WE HAVE CHANGED THE THERMOSTATS BOTH OF THEM, WE HAVE CHANGED BOTH ELEMENTS AND THE WATER STILL DOENT GET HOT ENOUGH. WE HAVE TURNED UP BOTH THERMOSTATS AND STILL NOT HOT ENOUGH. WHEN YOUR RUNNING THE HOT...


WE THOUGHT WE NEEDED ANOTHER THERMOSTAR, BUT WHEN WE WERE LOOKING FOR THE PART THE EMPLOYEE ASKED WHAT WAS THE TROUBLE. WE EXPLAINED, HE SAID YOU DEFINATLY DO NOT HAVE A PROBLEM WITH YOUR TANK AND ASKED IF WE HAD A SINGLE HANDLED FAUCET WITHIN THE HOUSE. NO WE DONT. HE SAID IT SOUNDS LIKE WATER IS MIXING WITH THE COLD WATER THATS THE REASON FOR THE WARM--COLD--WARM WATER. COME TO FIND OUT SINCE WE ARE REMODLING THE BATHROOM, WE HAD BOTH THE HOT AND COLD WATER TURNED ON IN THE SHOWER--BUT WERE PLUGGED OFF AT THE SHOWER HEAD AND THE FAUCET UNTIL THE TILE IS INSTALLED. SOOO ALL MY HUSBAND HAD TO DO WAS TURN OFF THE WATER IN THE SHOWER. NOW WE HAVE PLENTY OF HOT WATER, NO WARM COLD. YEA!!!

Jul 06, 2009 | Whirlpool Water Heaters

1 Answer

Code 12 flashes after third faucet is turned on


The gas pipe size that heater has to 3/4 pipe size.If you got anything any smaller than that is won't give enough gas.Check the gas psi at the heater.If it's bottle gas you should 11 psi.and natural gasline you need 5psi.

Mar 09, 2009 | Rinnai Webstone The isolator EXP tankless...

3 Answers

Water is either hot or cold - no in between.


I found a way to get warm water in the shower, but I'm not sure it qualifies as a solution. After trying everything else I thought that maybe when I was feathering the faucet in the shower toward the cold side so I would get warm water that at a certain point it blocked the flow on the hot water side enough so that the sensor in the hot water heater sensed there was no demand in the line and it shut the water heater off. To test this, I went to the kitchen and turned the kitchen sink faucet all the way to the hot side and then turned it on so that I got a small flow of water. I waited for the water to get hot to be sure the hot water heater was working. Once it was hot, I left it running to keep demand in the line and then I went to the shower and turned the faucet on. When the water got hot I started feathering the control towards the cold side and soon I had warm water. So I think I'm right in that the sensor in the hot water heater was shutting the water heater off when the demand in the shower was lowered to a certain point when I was trying to adjust the water temp in the shower.

So now I can get warm water, but it means I have to leave the hot water running at another fixture in the house to create a false demand in the system so the hot water heater doesn't shut down. Is there a way to adjust the senor in the hot water heater so that it will stay on when I'm using the shower only, so I don't have to waste water by running another faucet when I want to take a shower?

Nov 28, 2008 | Water Heaters

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