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Have a amtrol 421-1 mixing valve water not staying hot

Water from water does not stay hot but for a min or two

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: No hot water from the Amtrol Boiler Mate model

The smart control was only reading 140 it never went up or down from that number and now it has an ER3 code seem the circulator just runs and runs

Posted on Feb 14, 2010

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  • 1 Answer

SOURCE: amtrol water heater WH-7P gets barely warm water

I had the same problem. I had a steam boiler and the water level in the glass gauge was below the top of the coil of the tank. remember water finds its own level, so it settled at the glass gauge level, therefore air got in coil.

to resolve problem : turned on manual water feed to boiler to raise water level. as water level got higher, let out water in hosecock between boiler and amtrol. amtrol noticed hot water reduction, circulator clicked on, boiler kicked on, turned off hosecock, turned off manual feed. I effectively bleed water out of line by running water out of amtrol as water feed in boiler increased water level above coil.

took a while to figure this out, so if this is the problem, dont feel to bad. keep water level of steam boiler high.

Posted on May 12, 2010

  • 10865 Answers

SOURCE: no hot water have amtrol boilermate

There is a device on the boilermate called an aquastat which controls the flow of hot water into it. Replace that and you should be up and running again. Joe.

Posted on May 23, 2010

  • 1 Answer

SOURCE: Water will not stay hot

Did you ever figure this out? Ours was working fine and then all of a sudden is luke warm .

Posted on Dec 27, 2010

  • 1 Answer

SOURCE: ER3 no hot water

Er3 means that the water is being heated for more than 1 hour without reaching the set temperature.
Need new aquastat.

Posted on Dec 28, 2010

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1 Answer

My hot water heater on my 5th wheel heats up in electric and gas but doesn't stay hot. It is hot a first then gets warm and then cold. Hope you can help.


The thermostat which is integral to the gas valve is defective. Simply replace the gas valve and your problem will go away.

Dec 15, 2015 | Water Water Heaters

1 Answer

Why the hot water temperature couldn't reach the set temperature (130 degree) in Amtrol WHS80Z indirect water heater?


I have a couple of thoughts. You may have air in the boiler water circuit at the loop that feeds the tank. You'll have to find the vent in the loop to get it out. Second, the automatic valve that opens for hot water may not be opening fully. Have you felt both the boiler water lines that go in and out of the tank? If the water going in is hot and the line out is very cold you have very little boiler water going through the loop. Make sure the isolation valves on the loop are open. Is your boiler full of water? If the boiler loop lines are hot going in and coming out, the tank is full of rust or debris and no water can get to the fins on the internal tubing to pick up heat. If that's the case there is no repair and its time to get a new tank. Hope this helps good luck.

Nov 04, 2014 | Amtrol WHS-80Z - WHS-80Z 80Gal Hot Wtr...

1 Answer

Heater broke, my Amtrol water heater expansion 80 gal tank, takes hot water from the oil fired furnace, and keeps it hot, However, the tank is set at 140 degrees, but the water coming out if the hot wter...


Hiliary
sounds like the primary coil in side is cracked and is mixing hot water.. with the cold water in tank need to check and replace as necessary

Sep 15, 2013 | Amtrol Water Heaters

1 Answer

AMTROL Boiler Mate no hot water


You might have bad faucet cartridge or check valve.
Possibly a clogged line.
Contact amtrol info@amtrol.com to hear them suggest calling local technician
Otherwise Amtrol does not post service information or service manuals.
Post question on pro water heater forum to hear them suggest a few things before you call local service technician.
http://www.thetankatwaterheaterrescue.com/forums/forum3/
Use search feature on forum above, before calling local service technician
Read suggested answers at fixya before calling local plumber.
Call amtrol and ask why they do not post service manuals or service information when so many promoters are selling the product.

May 17, 2013 | Water Heaters

1 Answer

Wh 9L amtrol water heater..the water temp is too hot.. the heater is 10 yrs old is it possible to remove the temp probe and clean?


Amdrol makes indirect-fired water heater that gets heat from a boiler
http://www.amtrol.com/boilermate.htm

1) Pdf manual on amdrol website show a mixing valve that mixes cold water with the hot water so water temperature going to faucet stays the same:
http://www.amtrol.com/pdf/MC10169%20BMconstantempflyer.pdf
You set the temperature of the mixing valve.
You can also set up 2 sets of pipes ... one is connected to mixing valve that goes to sinks and tubs. The other pipe bypasses mixing valve sends hotter water to washing machine.

geno_3245_48.jpg

2) The manual for Amdrol:
http://www.amtrol.com/pdf/9040-586%2001_09%20BoilerMate%20Indirect%20IO.pdf
The new models has a temperature sensor that plugs into digital readout.
This is a thermistor sensor wire that can be ordered as repair part

3) Amdrol has e-mail address:
info@amtrol.com

4) You can post your question on a water heater forum
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Nov 11, 2010 | Amtrol Water Heaters

1 Answer

Water just gets luke warm on propane or electric. has electronic ignition, do i need circuit board? Atwood 6 gal. tank


Run it on propane and let water heater go through a heating cycle, and when it shuts off, CAREFULLY , pull the lever on the pressure relief valve slightly and see how hot the water feels there. If it's hot there, then it's more than likely a problem with your by-pass valve(s) at the back of the water heater. Either in the wrong position, or faulty, and allowing hot and cold to mix. If in doubt which one it may be, you may be able to remove by-pass set-up completely, depending on what system you have. What the ultimate goal is would be to attach your incoming cold line directly to bottom fitting of water heater, and outgoing hot line, to the top. Not unusual in some systems for one of the shut-offs in between the 2 lines to stay partially open, and allow cold to mix with hot, thus -warm only. If it's not hot at pressure relief valve, then I suspect a faulty thermostat, but that would mean they both (hydro and gas) would have to be faulty which is unlikely.

Jun 17, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Heats up the rapidly decreases within in minutes.


Problem new or old? How long you have unit? Sounds like not enough flow to keep burner on. Tankless need at least .6 gpm to keep hot water flowing or else the burner fires then shuts fires then shuts and you get a sandwich effect...hot cold hot cold. If you have new diverter valve in shower -vs- old two handle type try turning hot water ALL the way ON and see if hot stays hot. If it does stay hot then slowly adjust to cool and see if you maintain a good MIX for proper temp. If it goes cold again try this......LOWER control pad setting to a comfortable 105 degrees (ladies) 100 degrees(men) and turn shower valve all the way to HOT. See if your temp remains consistant now and if it does then problem solved. Tankless mindset...set temp on control pad and stop trying to MIX at shower valve. Thats how these things work. Thats why I install a control pad in each bath and one in the kitchen for adjusting ash temp during dishwasher on time. ditto for wash machine. You should never need to turn on cold water if your unit is set to proper temp at controller. Hope this helps

May 17, 2010 | Rheem Tankless Hot Water Heater...

1 Answer

Beeping noise


E2 means hot water over shot, make sure to check boiler hot water system to make sure zone valve or control is staying closed when the call for boiler hot water to the water heater is isolated. Sometimes a zone valve will fail open or not close properly causing hot boiler water to constantly feed the water heater.

Dec 08, 2009 | Amtrol Water Heaters

2 Answers

Amtrol water heater WH-7P gets barely warm water


From what you are saying it sounds like an issue with either a circulator pump or a zone valve. It depends on what type of system you have ... if you have a circulator pump that only runs the Amtrol then that is probably bad. If you have a zone valve system then it is probably the zone valve if you still have heat for the rest of the house. If you have no space heating then it is probably the circulator pump.

Nov 04, 2009 | Water Heaters

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