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How to fix leaking ajax valve in hot water cylinder

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

wentlanv
  • 710 Answers

SOURCE: Do you have a diagram

Hi jogun457,

If you have water coming out of the pipe on your roof, then the water pressure is set too high. Yes, you should adjust your ajax valve.
To do this, locate the adjustment screw either on the back or the top of the valve. Turn it counterclockwise to reduce the pressure. Watch the pressure gauge (does yours have a gauge on it?)
and wait after each turn for the pressure to settle before making another adjustment until you have the correct pressure.
If you don't have a gauge, turn the screw counterclockwise 1/4 turn, then you'll have to watch your pipe to see if it has stopped leaking water onto the roof. Don't turn too much at a time or you'll lose pressure at your taps. Turn the faucet on after each adjustment to check.

Hope this helps. If it does, I'd appreciate your vote. Thanks for visiting fixya.com

Handie Andie

Posted on Apr 11, 2011

  • 82 Answers

SOURCE: I have an american standard single control faucet.

Chances are your supply line is leaking. One of three things (easy fixes).
1) There is a "packing nut" on the shut off which holds the handle on - this could be leaking (just tighten with pliers while open).
2) There is a nut directly above the shut off (3/8 inch) which goes directly to the faucet. Simply thighten this nut.
3) There is yet another nut above the last (very near the faucet). This is a 5/8 nut and you will most likely need a "crescent wrench" to tighten this as you cannot get pliers up there. You can purchase a crescent wrench at any hardware store for about 10 bucks. Good luck!

Posted on Dec 30, 2009

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1 Answer

Bad coolant w/ leaks from many places, overheated and shut off, heater doesnt blow heat anymore


After the engine has reached normal operating temperature, feel both heater hoses going into the firewall. Are both hot? If both are hot, it's probably the door or doors in the heater case not operating from the selector knob on the dash. If only one hose is hot, the coolant is not circulating through the heater core. Look for a water valve in the hoses that is shut. If no valve, crack open the cold line to see if you can start circulation through the core. If neither hose is hot, pull off the inlet to the heater core (it may come from the cylinder head area) and run the engine and check stream flow. It won't spurt out like a garden hose, it should flow out in a smooth even stream, maybe just enough pressure to push a steady stream. If no flow comes out, coolant is low, or there is a circulation problem in the engine, like a kinked hose, a weak water pump...
Does the radiator cap hold pressure in the cooling system?

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Fixed leaking faucet, now handles leak at the base & the water pressure is low


No, air can't get trapped in there. I don't think you did anything wrong. It sounds like the valve or internal parts are worn more than new washers take up for. Tightening down the valve just reduced travel for valve to open fully. Can't think of a fix; where's that joe da plumber?

Nov 23, 2011 | Plumbing

1 Answer

I have water leaking from a valve on top of my AO Smith PCGC 50 water heater.


Hi,
That is called a pressure relief valve....
If the water gets too hot, the pressure builds too high in the tank or the valve goes bad, it will leak...
Remember that this valve is a SAFETY device!!!
Do NOT plug the valve off...
Find out why it is leaking and get it fixed...

heatman101

Mar 26, 2011 | Water Heaters

1 Answer

Hot water leaking from what i think to be the pop off valve. i tried to tighten it a little and it started leaking more. The unit is 16 years old. The excess water is draining into the catch pan and then...


Hello
16 yrs old? Im guesing this is a hot water heater.Not a air conditioner.

If its still making hot water you may not need to replace the whole unit.
The valve that is leaking is a high pressur relief valve and they do go bad the sprigs become weak over time and some corrosion may not allow the valve to seat properly.

1st step is to shut off all incoming and out going water to the tank.
2nd Shut off fuel or gas to the unit, and annonce to everyone your are working on the hot water heater.
3rd at the very bottom should be a drain valve much like a hose spicket,open this slowly and drain the tank,remember the water will be hot.You may not need to drain it all the way,while draining pop open the relief valve,when you stop getting water from it,you are below it and can turn the drain valve off.
4th remove old relief valve and replace with a new one,i think they are rated at 15 psi or 30 psi blowoff pressure,hopefully there is a tag on it with that info.

When you go to install your new one use some pipe thread compound or teflon tape around the threads before you reinstall valve.
Once done slowly refill tank with water, check for leaks.When full open up hot water valve to house and relight buner.open a faucet in kitchen to hot to bleed off any air.

Jan 14, 2011 | Heating & Cooling

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.


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My front loading washer always fills with water when i am not using it


It sounds like one of the automatic water fill valves in the machine is leaking water when washer is off and the valves are closed. There are two manual water supply valves at the wall behind the washer, one for hot water and one for cold. Close the manual hot water supply valve and allow the washer to sit and see if it fills with water. If it does fill, then the cold water automatic fill valve is leaking. If not, then open the hot water manual supply valve and close the cold water manual supply valve. Allow the washer to sit again and see if it fills. If it does then the hot water automatic fill valve is leaking. Replace the leaking valve in your washer. You can order the new valve online using washer brand and model number on a appliance parts web store, or maybe even find it at a local appliance parts store.

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No water pressure in bath tub after turning off hot water heater


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No central heating back boiler


back boiler run from a gas fire? check the instructions to operate the gas heat to the back boiler not just the fire
I presume that this a fully pumped system - air lock doubtful There maybe on/off valves on the pipes to and from the back boiler [situate close to cylinder] make sure they are on - anticlockwise turn
or there could be a blockage in the outlet from header tank usually in the loft. or If there is no water in it maybe the mains cold feed it is off.
Note if no water in it DO NOT USE the back boiler

May 03, 2009 | Bosch & Power Vent Water Heater

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