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Water Heater Replacement

How Do I Replace a Hot Water Heater?

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1) After shutting off the water and gas or power supply to the tank, connect a hose to the drain valve at the bottom of the tank, open the valve, and run it to a nearby drain or outdoors. Use two wrenches to unscrew the inlet and outlet fittings from the top of the tank. 2) For a gas water heater, shut off the gas inlet valve and use two wrenches to disconnect the union or flare fitting between the gas supply pipe and the inlet valve. Also remove the flue hat that expels gasses into the flue at the top of the tank. 3) After removing the old unit, set the new one in place with the controls and burner accessible. Allow at least 6 inches of clearance around its perimeter, and keep it away from flammable materials. Use a level to check it for plumb; shim the base with pieces of asphalt shingles or plastic wedges. 4) Wrap the threads of the heat trap fittings with pipe-wrap tape, and screw the fittings into the water heater (blue into the cold water inlet and red into the hotwater outlet). Be sure the arrows marked on the fittings point in the direction of water flow. 5) Install new flexible connectors on the water inlet and outlet pipes. If there is no shutoff valve on the cold water side, install one before connecting the water heater. After all connections are complete, open the shutoff valve to fill the tank. While it is filling, open several hot water faucets in the house to bleed off air in the pipes. 6) Assemble the gas pipes as shown. Spread pipe dope on the threads, and screw together the parts, tightening them with one pipe wrench on the pipe and another on the fitting. Follow the manufacturer's instructions for connecting the unit with gas supply tubing. After turning on the gas, test all connections by brushing soapy water on them and watching for bubbles.

Posted on Aug 27, 2008

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6ya6ya
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Posted on Jan 02, 2017

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1 Answer

Anode replacement. where is the anode rod located on a ruud g100-200 gas water heater


either in the anode port on top of water heater, or connected to hot water nipple as a combo ... or both if unit has 2 anodes

http://waterheatertimer.org/Replace-anode-rod.html



Gene

Sep 25, 2014 | Rheem ruud g100-200 water heater,gas,100...

1 Answer

Too much hot water, how to adjust water temperature


1) Copy following links:
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

2) if you have electric water heater, and too much hot water, then thermostat may be bad, or element is shorted and needs replacement. Test elements first, and if they're ok then replace both thermostats.

Jan 22, 2013 | Bradford White M240s6ds-1ncww 40 Gallon...

1 Answer

How long does the model 81v52d last in years?


Did you clean sediment out of tank when replacing elements?
Did you replace thermostats? Thermostats go bad, or get out of calibration.
Copy following link for tank-type electric water heater troubleshoot:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

Test elements.
Sounds like lower element is burned out.
Clean sediment out of tank. Check for water leak running hot water out of tank by putting ear against pipe.
Replace both thermostats.

Electric water heater will last 20+ years, IF ...
Electric water heater is totally unique because it can last forever with part replacement using parts from hardware store, as long as tank does not rust because of depleted anode rod, and pressure is kept below 80psi.
http://waterheatertimer.org/How-to-maintain-water-heater.html
Annual water heater maintenance will pay you $10 a month, tax free money in pocket, by avoiding tank replacement.

Nov 25, 2012 | Water Heaters

1 Answer

Water heater anode


If you have power vent, the anode might be located in a separate port on the top under the power vent.
Otherwise, the anode can be a 'combo' and connected to hot water nipple.
Copy following link for more information
http://waterheatertimer.org/Replace-anode-rod.html

Aug 07, 2012 | RTO W4 A.O Smith Gas Hot Water Heater...

1 Answer

I would like to know location of reset button on hot water heater


If you have tank-type electric water heater, ECO reset is located on upper thermostat which is behind panel on side of water heater.
Be sure to put insulation back in place when finished so thermostat not exposed to cool air that will cause temperature misread.
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

If you have gas water heater, call service technician, and/or read manual.
ECO reset requires gas control valve replacement in many cases.
FV lockout requires replacement parts.
Some tanks have resettable thermal switch located behind gas door panel.
http://waterheatertimer.org/How-to-replace-gas-water-heater.html

If you have tankless, call service technician, and/or read manual.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Apr 21, 2011 | Water Heaters

1 Answer

Warm water not hot water


Warm water is an indicator of possiblity of the bottom element is the only one working. The best solution would be to replace them both due to the cost is not to exspensive and the other one will go out if you replace just one. One new element will work the older one harder and it may lats for a little while, but evenually it will be in need of replacement and sinec you are working on it. It would be easy to do them both .

Turn power and water off and connect water hose to bottom of tank to drain water heater. Open a faucet's hot side to break vaccum so it will drain down. Once drained remove the elements by disconnecting electrical wires and remove elements with a 1 1/2 " element wrench or socket.

Replace elements and connect electrical and turn water back on and leave the faucet open to get all air out of system and water flowing from hot side on all fixtures in your house before turning power back on to water heater.

Hope this is helpful with your water heater adventures. Thanks

Dec 30, 2010 | Rheem ME85-18 Commercial Water Heater

2 Answers

Low boy water heater leaks at point where cold water pipe enters caseing.The leak is below the threads.The caseing is rusted at the point where the pipe goes through.Can this rusted place be patched or...


1) Your water heater needs to be replaced.
It cannot be repaired.
Tanks rust out after anode rod is depleted unless anode is inspected and replaced 1-3 years.
Water softener causes anode to deplete quicker, so inspect every 2 years.
Also stray household current can cause tank to rust out. Put bare copper ground wire between hot and cold pipes on new heater.

2) First thing is protect yourself from tank rupture where water heater bursts open and water runs until it's shut off. Ruptured tanks are big topic in homeowner insurance industry today because they cause major damage inside house.

- Turn off heat source so tank is not under pressure:
Gas: Rotate dial to pilot so pilot light stays lit, but burner does not turn on
Electric: turn off circuit breaker

- Turn off water going into tank using shut off above tank.
- Open hot side to bathtub to relieve pressure from tank.
- Check label on side of tank to get tank specifications for replacement.

3) What to do until replacement.
You can get by for a while on leaking tank by turning it ON only when needed.
Make sure tank is full of water before turning heat source back on.
This will buy time until replacement.
Electric tank heats 21 gallons water per hour.
Gas water heater 41 gallons per hour
Shower uses 6-9 gallons hot water, bath uses 12-15 gallon hot water.

4) Additional reading so next tank lasts longer
http://waterheatertimer.org/Replace-anode-rod.html

http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

http://waterheatertimer.org/Water-at-bottom-of-water-heater.html

Dec 05, 2010 | Water Heaters

1 Answer

After connecting a drain line to the pressure relief valve of my MR85245 water heater, I now have water leaking badly out of the heating element door.


Turn off the electricity.
Turn off the water valve going into tank.
Open a bathtub spout to let hot water pressure off the tank.
Check top of tank for any leaks.
Open the top access panel and see if element is leaking.
Open bottom access panel and see if lower element is leaking.
The reduced pressure on the tank will slow the leak.

If element is the problem, you can squeak by for a while by turning on the hot water heater only when you need hot water.
Order the 'Marathon MR85245 replacement element' online
http://www.gpconservation.com/rheem/marathon-sp213670-titanium-4500w-lower-element
These elements may be available locally, but they are not the same as 'ordinary' tank-type electric heater elements that you buy at the hardware store.
Buy more than 1 element because the Marathon elements have problems.
One of the reported problems with marathon elements is the high price of stainless steel replacement elements.
Drain tank.
Replace element.

Another resource for water heater information is:
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Nov 04, 2010 | Water Heater Innovations MR85245 High...

1 Answer

Hot water heater


Absolutely no hot water indicates the top element or thermostat on the heater. Check to make sure that you have 240 volts on the top two terminals of the top thermostat. If you do then check the top element for voltage. It should also read 240 volts between the two screws. If you have 240 volts there shut off the power, drain the heater to a point below the top element and change the top element. When the element is installed turn your WATER back on and let the air bleed out of several hot faucets in the house. When the faucets stop spitting air you can turn them off. Check for leaks around the element. If you have no leaks turn the power back on the the heater and replace the covers.

That should get you 'back in hot water' in two hours.

Mike

Apr 05, 2009 | Element Chromalox SG1353-430326 Electric...

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