How To Clean Electric Hot Water Heater
Never assume power is OFFUse non-contact voltage tester on timer, on wire, on outlet to encounter if power is present.
Press push button on tester, if single beep then no power is present. If continuous beep and then ability is present.
Never stand on bare ground, e'er stand up on dry boards, do not hold or touch on annihilation metal when working on timer or water heater that has ability, tape tester leads to wood sticks, never touch wet water heater, or flooded water heater, or timer that had a brusk or burn down without turning power OFF.
Buy:
Multimeters at Amazon
Simple multimeter/ Test continuity or voltage
Buy not-contact voltage tester at Amazon
Electric testers at Amazon
Resource
How to test if water heater electricity is off
Come across larger
Do Non turn off water <> full pressure is needed
Connect garden hose to h2o heater.
Rotate tank drain counter-clockwise to open.
See if water comes out end of hose.
Do Not drain tank yet
Weight of water inside tank will concur tank in identify when looseneing element.
Connect washing machine hose to water heater drain-valve <> Connect garden hose between outdoor spigot and washing machine hose <> turn on outdoor spigot for a few seconds so h2o pressure flushes tank open
Resource
What to do if water heater will non drain
How to replace drain valve
Plough off water going into water heater.
Do this by shutting off water valve just above h2o heater -or- shut chief close-off valve to house
This volition stop all hot water going to each faucet
This will release hot water pressure level
This volition let air into line so water heater will drain
Get out tub valve open so at end of job you lot know when tank is full of water earlier electricity is turned back on.
Cover and insulation must be put back when finished.
Otherwise thermostat volition not read correct temperature.
Meet Larger
Use nose to bank check for burned odour.
Use eyes to expect for burned and melted parts
Damaged wire tin can be caused by sediment filling bottom of the tank then overheating element.
Resource
How to test h2o heater wires
Any damaged wire must exist repaired
Use wire nut to extend wire if necessary
Usual wire size for inside of tanks is #12 solid copper wire/ never replace with stranded wire Resource
Test wires
How to test water heater wires
Lightweight 1-1/two" element wrench available hardware store, home center, plumbing supply
Best is one-1/ii" socket from automovive supply
I apply the socket because it grabs the element easier
Buy:
Water heater element socket i-one/2" at Amazon
Heating element wrenches at Amazon
Camco heavy duty element socket
Marathon elements are 1-7/eight"
Apply for removal of element only.
Practise not tighten element with bear upon wrench Buy
Impact wrenches at Amazon
Special 1-1/two" socket for elements
Loosen element SLIGHTLY while tank is Total
Why? So weight of water volition concord tank while you push on and twist wrench
Turn element wrench counter-clockwise
Must button on wrench to go along information technology in position on chemical element, or wrench will slip off
Do not remove element completely until tank is empty -or- water will flood out hole
Resource
Also good time to cheque anode rod
How to supervene upon anode rod
Torch, WD40, drill bolt holes and remove with wrench, employ affect wrench
Make sure h2o heater is full of water / for weight / when loosening chemical element
Resource
Remove rusted/stuck element
Open drain valve located at bottom of tank
Take out old element
Chemical element will take rubber ring that seals the tank. Remove O ring and chemical element. Earlier going further ,
Cheque inside tank for loose pipage coming from top <> broken dip tube causes reduced hot water and wasted electricity
Resources
Dip tubes
Anode rod
I use the hoses that are shown.
The element opening is ane" in diameter
Garden hose bends into tank
three/4" PVC is nice fit with garden hose
one" clear tube fits three/4" PVC
30" piece of 1/2" CPVC reaches back of tank
Buy:
Wet dry vacs at Amazon
Tape hoses together with duct tape.
Articulate package tape as well works. Masking tape does not work.
Plough vacuum ON. Insert hose or pipe. Move hose or pipe effectually. Remove and clean end of hose or pipage as needed.
Clear tube is handy
Length of 1" clear tube lets you see if sediment is flowing by. Sediment is a slurry of water and calcium carbonate that clogs the pipe hands <> and then it's handy when you can see when the stuff is flowing past.
Short piece of garden hose bends into tank.
Utilise 1/2" cpvc to interruption upwardly debris
Protect carpet from rusty water
Buy :
Duct tape from Amazon
Store vacs at Amazon
It will not exist perfect... that'south ok
Buy
Tank rinser at Amazon
Resource
How to clean tank and household pipes with bleach
How to maintain h2o heater
Put new O ring in place
Utilize new O band> Exercise not re-use old O ring
Test new element if you want:
Resource
How to exam chemical element for continuity
Wipe off around opening.
Do NOT use teflon record or any sealant > not necessary unless tank is damaged
Don't overtighten, a house snug is enough
Tighten screws very tight against copper wire
But solid copper wire, No insulation nether the screw caput
Close drain <> put encompass and insulation on <> plow on h2o
Do Not plough ability ON until tank is full of water
Insulation must exist reinstalled over thermostat Do not plough on circuit breaker until tank is total of h2oDrain valve drips??? Apply garden hose cap if drain valve drips Buy
Buy brass garden hose cap at amazon Resource
How to replace drain valve
Pick up plastic hose cap at local big-box-shop, and supercede subsequently with brass hose cap
Purchase:
Contumely hose caps at Amazon
Wait to plough on breaker
Do Not plow power On ..... until tank is full:
Expect for tank to fill
Water heater elements must exist emersed in water or they will burn down out instantlyBurn down out is called dry burn, and is non covered by element warranty.
Replace burned out chemical element with new chemical element.
Open up bathtub spout ON HOT SIDE only
After h2o heater fills with water, water will commencement to come out bathtub valve
twoscore gallon tank might make full in 15-20 minutes or less
✔ Bathtub hot water side is running with no air gaps <> plough off tub <> momentarily open TP valve on water heater to drain last of water <> turn on circuit breaker
Turn on billow <> put ear against water heater <> bubbly fizzing audio says it'due south working <> expect ten minutes to see if water is getting hot.
Put EAR against side of tank and heed for bubbly fizzing sound
4500 watt tank heats 21 gallons per hour
40 gallon tank will take ii hours to fill completely
Read 'repaired water heater is not working'
Technical data
Electric water heaters operate at 99% efficiency
Gas water heaters operate at 69% efficiency
Tankless gas heaters operate at 80% efficiency
High-efficiency tank-type gas heaters at 96% efficiency
'Efficiency' is not aforementioned as 'energy saving' .
All costs are energy: Consider total cost of water heater: Cost of unit, cost of installation, projected repairs, whether repairs are exercise-it-yourself, if parts are generic and available locally, true life expectancy of unit, monthly energy bill over life of unit of measurement, and disposal-replacement cost > read more
Other cistron will weigh eventually including straight carbon emissions released at each home from gas appliances.
All costs are energy: If in that location was a breakthrough water heater that suddenly lowered people'south bills, and reduced overall energy consumption, people would be waving their monthly nib in the air and everybody would know. There is no news. Cull lowest overall cost water heater to relieve energy.
Resources
Research pdf: water-softener/water-heater efficiency comparison
Read practise-it-yourself: 9 means to save with a water heater
Result of difficult-water WITH h2o-softener
Efficiency of gas and electric water heaters is unchanged over time when hard water is softened, yet softened water corrodes anode rod and will reduce life of h2o heater unless anode rod inspected and replaced every 2 years. In one case anode rod is fifty-75% corroded, water heater tank begins to rust. This condition leads to leaking water heater which cannot be repaired. Rusted water heaters tin rupture and cause massive harm every bit water runs until problem is discovered.
Resource
Read more than & Run into Anode rod options
Outcome of difficult-water with NO water-softener:
> Efficiency of gas heater drops half-dozen-8% subsequently two years > cleaning tank of sediment build-up will not restore full efficiency > however, regular flushing to prevent sediment maintains efficiency
> Tankless gas heater will fail when pressure sensor clogs with sediment within 2-3 years depending on hardness of water > regular de-liming will not restore efficiency > softener and filter are required
> Efficiency of electrical heater stays at 99% until sediment reaches bottom element > cleaning tank and replacing lower element restores full efficiency > regular flushing to foreclose sediment build-up also maintains efficiency
Research pdf: water-softener/h2o-heater efficiency comparison
Water-softener reduces life of anode rod in gas and electric water heaters
Water heater manual says: "Artificially softened water is exceedingly corrosive considering the process substitutes sodium ions for magnesium and calcium ions. The utilise of water softener may decrease life of water heater tank."
Six-yr tanks come with i anode rod. Read manual.
More often than not, tanks with longer warranties come with 2 anode rods.
Resource
Anode rod options
Source: http://waterheatertimer.org/How-to-clean-sediment-out-of-electric-water-heater.html
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