Question about RTO Waste King AH-780-UL Quick&Hot Instant Hot Water Dispenser - Tank Only

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PG50T09AVH00 HOT WAER TANK PG50T09AVH00

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Hot water heater has hot in tank but dose not come out of hot water line on tank


most electric hot water systems use a heat transfer process where the element is in one tank and the house water is in another
the house water is what is being drawn off when you turn on a tap
there is a regulator valve at the top of the tank with a small lever that you open up to let water in and air out of the system
another point is that there may be a hot/cold mixer on the hot water outlet which limits the temperature of hot water to prevent scalding injuries in the bath and shower or sink
If you have one fitted they are known to malfunction and cut the hot water temperature down as, they mix too much cold water into the hot water pipe.
have a plumber check it out

Jun 13, 2015 | Water Water Heaters

1 Answer

Hot water is not staying hot


Is the control that operates the pump located in the storage tank? If so the pump not be pumping. A few factors might be needed to solve the issue.

Dec 18, 2013 | Taco 006-B4 1/40 HP Bronze Circulator Pump

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

Low water pressure


Hi Bob,

You can determine if the tank is the problem by connecting a garden hose to the drain that is provided on most water heaters. Before doing this, be sure to shut of the electrical supply to the heater - otherwise you can damage heating elements if an electric type or waste fuel by heating an empty tank if a gas / propane fired type.

If you get a slow flow out of this drain, it means that somewhere in the cold water supply side to / in the tank - there is a problem. Inside the tank, the cold water is delivered by a "dip tube" that distributes the cold water to the bottom in the tank. Dip tubes are used in both electric and gas / propane fueled heaters. Here's a cut away view of a typical tank:



6_29_2012_9_57_32_pm.jpg

If the tube is clogged, or there is build up, scale or debris in the supply (cold water) side of the heater, flow rates will suffer. Likewise, if there is a problem with the output of the tank, it will directly affect flow as well.

If you get a good flow rate from the drain, then the issue is going to be on the hot water output side of the heater. Again, the same build up, scale, debris issues on the hot water out put pipe will cause problems with flow. Typcial tanks do not have dip tubes for the hot water side of the tank - as taking hot water from the top of the tank is most desireable and is furthest away from the cold water that rushes in to make up the hot hot water going out.

There's nothing really in the tank itself that can cause issues with flow outside of the dip tube, and piping to and from the tank.

Good luck!

Jun 29, 2012 | Water Heaters

1 Answer

We have installed a Lowboy L56 50 DOLS 1026T449635. The breaker is new and is a 30 amp. The wire is 10 gauge. The wires aren't crossed and each shows 120 volts when tested. The panel shows 120 on each...


Question: Do Low boy heaters, have a heater at the bottom, AND at the top?--- and are BOTH of the heaters working, on the 'either/or thermostat?
(By 'either/or'-- I mean, that it first turns the top element on, and when it is satisfied, THEN it turns the bottom on, until the whole tank is heated..) -- I would say this is an advantage of the taller tanks...

The taller tanks stratify VERY WELL--- (And the incoming cold water stays right at the bottom, and you take the HOT water off the top-- until suddnely it all goes to COLD.

I am wondering if the Low boy heaters might MIX more thatn the tall ones,-- thus going to WARM water sooner--- due to poor stratification.
Could you test that out, and try to folow the cold water line up the tank, as the Hot water is drawn off?

Another thought:
The Cold Fill tube, does go all the way DOWN to the bottom of the tank, right?--
And does it gently let the cold water flow across the bottom, and not 'rotatee the waer in the tank, as it replaces the hot water being used?
Otherwise the cold water will mix very early-- and give this same problem...
(I have heard of those center tubes falling off in shipment...
Did you by any chance check that, when you installed it?)

A final thought: What if the water draw was extremely fast?-- (Like if the water pressure is exceptionally HIGH--) might that upset the stratification, and cause the same problem, too?

If the hot water is drawn more slowly, can the customer get 30 or 4 gallons of HOT water, before it all goes cold?

Mack B

Jan 19, 2011 | RELIANCE ELECTRIC WATER HEATER

1 Answer

I have a hotpoint hot water heater it's about 6 years old. When I turn the hot water on it runs very slowly the water pressure is very low and it's like this throughout the house how do I fix this problem...


You have clog in the water line.
Since all hot water pipes are involved, clog is probably near water heater.

Buy pressure gauge at hardware store that threads onto hose connection.
Brady BTG 100 at Amazon
Picture of gauge

Check outdoor pressure for baseline pressure in your home.
Turn off electricity to hot water heater for an hour or two so there is not scalding water.
Open drain valve on water heater to see if water heater is clogged with sediment.
http://waterheatertimer.org/Water-heater-will-not-drain.html

Put pressure gauge on drain valve and compare with outside pressure.
Open hot water spigot on bathtub and see if tank pressure drops ... if tank pressure drops significantly with bathtub spigot on, then clog is on incoming cold water before tank, and could be on outgoing hot water pipes too.
If tank pressure stays about the same, then clog is on outgoing hot water pipes.

Clog can be sediment caught in cold water shut off valve located above tank. Open and close valve and test pressure again. Take apart incoming cold water pipes above tank and check for sediment. Replace valve. Look at condition of cold water nipple on top of tank.

Sediment caught at hot water elbow near tank.
Sediment can fill up old pipes. Take apart hot water pipes above water heater and see condition.
Look at condition of hot water nipple on top of tank.
You may have to take apart pipes up to first or second elbow.

Pipes can decay at joint where copper pipe connects to galvanized pipe. Check for copper to galvanized connections on cold or hot pipes and replace section of galvanized pipe. Copper pipe will probably be good, the galvanized pipe will deteriorate. Replace copper-to-galvanized joint with 3/4" non-conducting union from hardware store

Dec 06, 2010 | Water Heaters

1 Answer

How does rhe hot and cold water hook up on a 71-40d which is which top and bottom


Tanks are marked with Hot and Cold.
1) If water connections are on top of tank, look for red marking or word HOT that shows where hot water pipe connects. Look for blue marking or word COLD that shows cold water connection.
2) If water connections are on side of tank, cold water connects to bottom one, and hot connects to top.

3) If hot and cold are reversed, the tank will not work.
Pipes on top of tank: cold water enters tank and is sent to bottom of tank in a long tube called the dip tube. This means the cold is on the bottom since hot water rises to the top. The hot water exits top of tank.
Pipes on side of tank: You want cold water to enter bottom, so hot water naturally rises to the top outlet.

Nov 14, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Water Too Hot


needs new thermostat(s) If the whole tank is heating( next time it trips, before using any hot water check the lower tank thru the lower element access(breaker off) If the lower tank is hot-you need a new lower thermostat. if just the upper part of the tank is heating -you need an upper thermostat.

Jan 18, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

There is no hot water


Do you know were your hot water tank is?
How old is your hot water tank?
Is it a gas or electric hot water tank?

Aug 15, 2009 | Water Rheem MR40245 Marathon Electric ...

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