40000 BTU, 50 GAL, Natural gas
21dv50 is discontinued. This is ordinary tank-type 50 gallon gas water heater.
Amazon sells 50 gallon 22V50F1 Rheem water heater for $420 with free shipping ... but who carries the warranty?
Frankly you can get in-store returns, and buy same quality gas water heater at local box store since Rheem makes GE water heaters at home Depot.
Other brands are equally good, as AO Smith makes Kenmore water heaters at Sears and Whirlpool at Lowes.
I prefer the AO Smith because maintenance is easier.
http://waterheatertimer.org/How-to-install-gas-water-heater.html
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
SOURCE: Elec water heater
first turn the breaker off there should be two covers on the font of the heater if you r just looking for adjustments u can take those covers off and there is usually a foam piece behind the covers pull the foam off and there should be a dial to adjust it
SOURCE: losing hot water in one facet only
There is something in the line or in the faucet.Are your pipes going to the faucet black iron or galvinze.Some of the pipe will rust up and stop a full flow of water.But I would check the faucet first to see if the screw is loose or somethng in it.
SOURCE: No Hot Water in morning
Remove the cover then the access cover, then you can see inside,
the pilot light is probably out.
If out turn the gas off, then get a long match, grill lighter,or piece of paper ready to light, you should be able to see the little thin
gas line that runs inside the tank and see where it connects to,that is where you need to light, now that you see where to light, turn gas knob to pilot, and press down and at the same time light the pilot.
( blow into the pilot area before putting match inside to make sure no gas has built up inside) Hold down the knob for a minute then release, if pilot goes out try again and hold down longer, if you hold it for 3mins and it does not stay lite, the thermocouple is bad and you will have to replace it.
SOURCE: I have a Rheem 50 gal. natural gas water heater
The most common reason a pilot light will not stay lit is a bad thermocouple. How old is the water heater? If the pilot light will light, but then go out when you release the safety button, that is a sure sign the thermocouple is bad. You can buy a replacement thermocouple at your local home improvement store. There is a small chance that the control valve has gone bad, but that is highly unlikely.
SOURCE: I have a Model 41V50 Rheem water heater (50 gal.
You don't need to find the same exact model to replace your water heater, any 50 gallon water heater will do unless you have a brand specification that you like to stick with.
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