Question about Rheem Water Heater Drain Valve

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Is it feasible to un-screw the drain on the Rheem 50 water heater without it breaking off inside? I want to drain my tank but the drain valve is clogged and I cannot clean it as it is a right angle hose bid and cannot get any thing thru it to clear the clog..

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POWER OFF ..ya i think its plastic so if it does break you can picj it out with a screw driver and A HACKSAW BLADE. then go buy a brass plug or a new valve.. a ball valve would be nice.. did you know that you shold drain the tank EVERY YEAR ! AND SHUT THE POWER OFF
if i was of help please tell me.. tahks ..jay

Posted on Sep 12, 2010

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Posted on Jan 02, 2017

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Drain hot water heater


turn off gas
turn off cold water to heater
connect hose to spickot
place hose end outside
turn on spickot
open hot water faucets in house
wait.
when water stops, turn on cold water for 30-60 sec or so to try to stir up any sentiment in tank
turn off cold water and let drain.
close spickot
turn on cold water
let fill till water start coming out hot water faucets then turn off hot water faucets.
turn on gas and relight pilot.
finish bleeding air from hot water faucets.
set water heater thermostat

Jun 14, 2014 | Rheem 43VP50E2 50 Gallon FVR Natural Gas...

1 Answer

Drain valve leaking. Gor replacement part. Cannot get old valve off . Does the whole valve come off , unscrew or pull off? serial number is RN1296A 18392. Will the new part fit the same New...


If valve is dripping, buy garden hose cap and screw onto valve.
Whole valve unscrews counterclockwise.
If valve is plastic, expect it to break off.
If valve is brass, use cheater bar on your pipe wrench.
I don't know that serial number or part number, but drain valves are standard 3/4" pipe thread.
http://waterheatertimer.org/How-to-replace-water-heater-drain-valve.html

Drain valve can be rusted in place and impossible to remove without draining tank and putting water heater on it's side.
Install new water heater so drain valve is accessible, and buy new water heater with brass valve instead of plastic.

Jun 15, 2011 | Rheem Water Heaters

1 Answer

I just noticed that my hot water heater that is 6 years old is dripping very slowly from the bottom faucet, how can i stop this leak. thank you.


If you mean the drain valve, then buy garden hose cap at home center.
Cap will have rubber washer that seals tank.
If drain valve is plastic, the cap may not thread on without sanding down end of plastic drain valve.
Otherwise replace drain valve, which is simple if drain valve is brass, but can be difficult if drain valve is plastic.
Turn off power to water heater: Electric: turn off circuit breaker. Gas: turn knob to pilot.
Turn off water, open bathtub spigot on Hot side, drain water heater, remove drain valve with wrench.
If plastic drain valve breaks while being removed, then 'gently' break out broken part using hammer and big screwdriver.
Buy new drain valve at box store in water heater department.
Put teflon tape on new drain valve threads.
http://waterheatertimer.org/Water-heater-is-leaking.html
http://waterheatertimer.org/Water-heater-will-not-drain.html
http://waterheatertimer.org/Clean-sediment-out-of-water-heater.html

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Mar 06, 2011 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Turned off the hot water to fix a leaking tap. now the tap has no hot or cold water and the hot water tank valve is leaking?


It sounds like two problems.
Problem 1) Clog inside faucet or clog inside pipes at faucet
Remove supply tubes leading to faucet and see if problem is inside pipes or inside faucet.
My bet is clog inside faucet.

If you have galvanized pipe that meets copper pipe, this can be trouble spot.
Article on clogged water pipes at Inspectapedia:
http://www.inspectapedia.com/water/Water_Pipe_Clog_Repair_Guide.htm

Article on clogged pipes:
http://www.waterheaterrescue.com/pages/WHRpages/English/Troubleshooting/Tanklets/backflushing.html

Problem 2) Water heater leak ... you say tank valve is leaking? Is that cold-water shut-off valve? Or tank drain valve? Or TP valve?

If cold water shut-off is leaking, then replace shut off.

If tank drain valve is leaking, then check if plastic valve is cracked. If drain valve is cracked, then replace with a brass valve from Home Depot. If plastic valve breaks off, then use hammer and screwdriver to gently chip out the broken plastic valve. New valve threads need teflon tape to seal pipe. If valve is just dripping, then put garden-hose cap over end of valve and screw down tight.

If TP valve is leaking, then replace with same temperature and pressure rating.
New TP valve threads need teflon tape to seal pipe.

Problem 3) If pressure is low all over house:
Buy pressure gauge at hardware store that screws onto hose connection.

Test pressure on outdoor spigot.
Open faucet and check if pressure drops. This says if problem is inside pipes that enter house.

Test pressure on water heater drain valve.
This says if pressure problem is before -or- after water heater.

If problem is before the water heater, then shut-off valve located on cold water line is suspect.
If problem is after water heater, it could be in hot water outflow pipe on top of water heater, or a nearby elbow.

Remove hot water line leading from water heater and check pressure. This says if problem is where hot water leaves tank.
Read articles above about clogs inside water lines.


Nov 16, 2010 | Rheem Water Heater Pressure Relief Valve

1 Answer

Drain valve on Rheem water heater is cracked and leaking water. Where do I buy one and can I do the work (it looks simple) or does this require a water heater repair specialist? What do I need to turn...


You can do the job.
If the valve is plastic, the valve may break off inside the water heater.

The tank forum which is hosted by a professional plumber says, to use a hammer and screwdriver to remove the plastic drain valve: These guys are the pros.
http://www.waterheaterrescue.com/pages/WHRpages/English/Longevity/water-heater-maintenance-tools.html
" If a plastic drain valve snaps, having a hammer, a flat-bladed screwdriver and a towel can get you out of hot water. The towel is to absorb the hot water coming from the heater. You can use the screwdriver and hammer to gently tap the broken plastic piece out of the threads, then install a ball valve drain assembly with pipe-seal tape.
Now another guy at the Tank was saying he drilled out the broken plastic valve.
In any case it can be removed if it breaks.

Install a brass valve.
I just bought one at Home Depot and noticed that Lowes has brass drain valves too.
They're in the water heater department. You need teflon tape or joint compound on the threads.
And if it ever starts leaking, you can put a hose cap on the end, or replace it again.

For professional water heater advice: I go to the tank
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Nov 11, 2010 | Rheem Water Heaters

1 Answer

I own a Rheem Power Vent with powerglo ignition system - model # 21 vp50-1 50 gal, serial # rn 089d06577 ---i've noticed water on the floor around the water heater, i thought maybe the tank was rusting out...


The plastic drain valve is a possibility. Also the Temperature/pressure relief valve is typically piped close to the floor if there is a drain near by. People tend to ignore water heaters. The TPR valve really should be excersized annually. If it won't re-seat, then it should be replaced. Second the tank should be partially drained annually to drain any solids that have accumulated in the bottom over time. If you don't do this frequently the drain valve can become almost impossible to operate.

Aug 05, 2010 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Leaking relief valve on hot water tank


It is 3/4 threads and it can be replaced any hardware store should have one. It may require a pipe wrench to break loose. they do go bad from time to time.

Shut water off and drain water down below relief valve opening and break loose to replace..

May 12, 2010 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Pop off valve dripping Rheem 50 gal electric valve at bottom


If you are reffering to the drain valve at the bottom of the hot water tank. It may be leaking due to the O ring being cracked or worn out. You can either drain the tank and replace the valve or you can buy a hosebib brass cap and thread it on the existing valve. There is no cause for alarm when doing this as this valve is just to drain the tank when replacing your hot water heater

Feb 23, 2010 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Water is coming out of the drain valve shroud / drain valve. How can i stop this? Please help! Many thx!


Do you drain your heater regularly?

I think the water may have eaten or partially eaten the valve stem.

If I were faced with this problem, I believe I would secure the power, take a shower (to take advantage of the hot water you paid to heat - and to get cold water into the tank) Drain the tank - remove the stem replace the washer. If it looks strange ... like the washer screw was eaten, you can replace that valve.

Good luck with your project.

(PS you should clear sediment from the tank semi-annually or more)

Oct 14, 2009 | Rheem 50 Gallon FVR NATGAS Water Heater...

1 Answer

Rheem 50 Gal Hot Water Heater will not stay lit


On the back of the gas valve (where you turn the temp up) there is a stem that actually goes into the tank that senses the temprature of the water it could be dirty or buried in sediment depending on how old the tank is, or just bad. if the tank is over 10 years old i wouldn't bother replacing the gas valve, the tank is probably not far behind. A new valve will run around $100.00 maybe a little less. You wont find it at menards or home depot in stock but they may be able to order it for you. Menards sells rheem products or try you local plumbing supply house. REMEMBER TO RELIEVE THE PRESSURE ON THE TANK BEFORE YOU WORK ON IT. IF YOU CHANGE THE VALVE DRAIN IT FIRST!

Feb 10, 2009 | Rheem 50 Gallon FVR NATGAS Water Heater...

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