Vacuum relief valveworking principle

Even if your setup brings a bit more complexity, this is a task most DIY homeowners can manage without calling in the pros.

Vacuum relief valvepvc

Unless you want to deal with a water fountain when you open the water shut-off valve, shut down the water supply to the laundry room before you start tinkering with your plumbing.

All KITO® valves use a range of different valve sealings to suit the prevailing process conditions to assure low rates of leakage between valve seat and valve pallet.

Some washing machine shut-off valves will have screws holding them in place. Look for them before spending too much time trying to heavy-hand the removal.

Vacuum Relief valvewater heater

Some unfortunate designs hide the shut-off valve behind the wall. If you’re lucky there’s an access panel or a way to reach it through the existing hole the hose goes through.

Your shut-off valve will be behind the washing machine. Most sit about hip height and include both cold water and hot water valves.

Twist or screw the new shut-off valve or valves into place, using the reverse of whatever technique it took to remove the old one.

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Vacuum relief valveaviation

Slowly turn on the shut-off valve, watching for leaks. If you find leaks, remove the parts, apply more plumber’s tape and reassemble.

KITO® vacuum relief valves can be configured to suit prevailing national and international specifications and regulations. If you need assistance with this, please use our KITO® Sizing & Selection program (KISS) or contact our experienced KITO® sales team.

It’s also useful in managing maintenance and repairs, so when it springs a leak or freezes in place it’s time to address the issue.

If it’s been sitting in place for many years or you have hard water corrosion, it may take some convincing. Attach a pipe to the end of your wrench for added leverage.

Vacuum Relief valvefunction

KITO® vacuum relief valves are used where closed systems are being emptied or cooled by their local environment, preventing, for example, negative pressure to damage storage tanks.

Since your water is turned off at the primary source, you can turn your valves on (if they’re not already) and drain water from the lines.

WattsVacuum Relief Valve

Your hoses should be attached to the valves. Some valves are further down in the wall, behind the drywall, paneling, or other wall finish.

KITO® vacuum relief valves can also be equipped with a KITO® flame arrester that prevents flashback from atmosphere to storage tank. These KITO® vacuum relief valves can be used for atmospheric deflagration scenarios. There is not usually any risk of an endurance burning in typical applications involving a vacuum.

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Valve pallets for KITO® vacuum relief valves are designed either weight-loaded or spring-loaded, depending on the pressure settings required.

If this is the case, use a drywall saw for sheetrock or a keyhole saw for wood. Make your cut clean and save the piece you remove so you can make the wall repair later on.

Even if the second shut-off valve is still functioning and not leaking, you may want to consider also replacing it at this time.

If you try everything but still can’t get the valve to release from the pipe, you’ll need to cut out a section of pipe that includes the valve.

Unplug your washing machine from the power source to avoid accidents. You’ll probably need to move the washing machine out of the way to give yourself adequate workspace.