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Does the Hobart LXeR dishwasher need a backflow ? Or does it have an internal air gap to protect the potable water

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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Anonymous

  • 58 Answers

SOURCE: water comes out through our air gap (vent)

You are going to have to clean the air gap or replace it. also check your drain to insure it's not clogged if it's clear again replace the air gap

Posted on Jan 09, 2009

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cesar_quant

Cesar Quant

  • 74 Answers

SOURCE: dishwasher water comes out of air gap

ur discharge line is to low...try to make a loop

Posted on Mar 10, 2009

sclarke7

Steven Clarke

  • 222 Answers

SOURCE: air gap valve leak for dishwasher

remove the entire drain hose from the air gap and be sure it is clear, also the dishwasher drain should be going to your disposal, if you chose to use the air gap it should be connected from d/w to air gap then to disposal, todays dishwashers dont need an air gap.

Posted on Sep 12, 2009

taran_2005

taran_2005

  • 10515 Answers

SOURCE: DISHWASHER WON'T DRAIN WATER

Hi,

This needs to be investigate properly. Let me provide you with all the steps you need to follow ;-

Water-inlet valve Most cleaning problems are caused by the dishwasher not getting enough wash water, so the water-inlet valve is often to blame. This valve is usually at the bottom left or right of the dishwasher, behind the lower access panel. It's the device with the main water line from the house, a rubber tube to the dishwasher, and two wires attached to it.

When a water-inlet valve is defective, you may hear the sound that's usually referred to as "water hammer." If the water-inlet valve is defective, you need to completely replace it.

Dishwasher Water Inlet Valve Replacement

Be sure to read and understand any instructions that come with the new water inlet valve.

Tools required:

Adjustable wrench

Multi-Screwdriver

Pliers

Step 1. Disconnect the dishwasher from its power source.

Note: Dishwashers are usually wired directly to the home’s electrical system. To disconnect the power, switch off the circuit breaker or remove the fuse for the electrical circuit the dishwasher is attached to. Try to turn the unit on after disconnecting the power to be sure you were successful.

CAUTION: If you’re not sure you’ve shut off the power properly, DO NOT CONTINUE. Call a qualified appliance repair technician to complete the repair.

Step 2. Turn off the water supply to the dishwasher. This is usually underneath the kitchen sink or in the basement or crawlspace near the location of the dishwasher. Pliers may be helpful here.

Note: If there are no shut-off valves, you must shut the water off at the main water supply valve for your home.

Step 3. Remove the lower panel(s) of the dishwasher. These are usually held by 2 to 4 screws at the upper and lower corners of the panel(s).

The inlet valve is usually near the front of the dishwasher. Attached to the valve you’ll see: 2 or 4 wires, the water supply line from the house and the water feed line that goes to the dishwasher.

Step 4. Remove the household water supply line from the valve. The line is usually secured with a brass compression nut. The water supply line is usually copper or braided stainless steel.

CAUTION: Water supply line may be hot.

Step 5. Remove the fitting from the valve the water supply line was attached to. This fitting may be very difficult to remove. It may help to put the valve into a vice in order to remove the fitting. If you cannot remove it, replace it. The fitting is not an appliance part but a plumbing part that is available at most hardware stores.

Step 6. Remove the screws holding the valve to the dishwasher frame.

Step 7. Label the wires to the valve so you’ll be sure to reattach them correctly.

Step 8. Remove the wires from the valve.

Step 9. Remove the clamp on the black rubber water discharge tube and pull the tube off of the valve.

Step 10. Reinstall the old fitting (or a replacement fitting if necessary) onto the new valve the water supply line was attached to. Use Teflon tape or pipe joint compound as a thread sealant. Make this fitting tight to prevent leaks. Make sure that the fitting points in the same direction as the old one so that the water supply line will meet up with it properly.

Step 11. Install the new valve in the reverse order of the removal instructions.

Note: The water supply line is under high pressure. Be sure to tighten the fittings properly.

Step 12. Turn on the water to the machine, and check for and correct any leaks.

Step 13. Reinstall the access panel(s). Restore the power to the dishwasher and test.

Note: You may have to let the dishwasher run a few minutes before it reaches the next water fill cycle.

Internal filters Every dishwasher has some type of filter to keep large food particles and foreign objects away from the pump assembly:

  • Most modern dishwashers have self-cleaning filters that don't need any routine cleaning.


  • Some have filters in the bottom of the dishwasher that you need to periodically clean. You don't need any tools to remove the filter, and cleaning it is easy. Consult your owner's manual to determine which type you have and its maintenance requirements.


If your filter is clogged, it may be causing the cleaning problem.

Drain valve Some dishwashers have a valve (or gate) that should open only during draining. If debris lodges in the valve, it can't close properly, so water drains out during the wash cycle. Most dishwashers drain into the garbage disposer. If yours does that, listen for water flowing into the disposer during the wash cycle. If you can hear it then, the drain valve may be clogged.

Spray arms There's a spray arm at the bottom of your dishwasher--it may have a tall spray tube mounted to the center of it. There may also be a spray arm located directly beneath the upper rack of dishes and/or above the upper rack.

If debris is blocking the holes in the spray arms where the water comes out, it could cause cleaning problems. Regularly inspect each of the spray arms and clean out the holes as necessary.

Water temperature To get the best cleaning results, the water entering your dishwasher needs to be hot enough. Try running the hot water in your kitchen sink for about 30 seconds before starting the dishwasher, to pre-heat it. Also, if your dishwasher lets you select a higher wash or rinse temperature, try that to see if it helps.

To check the temperature of the hot water that comes from your kitchen faucet use a waterproof thermometer. If the water isn't 120 degrees Fahrenheit, your dishwasher may have trouble getting your dishes clean. You could increase the temperature of the hot water to the whole house--and therefore the dishwasher--by adjusting the hot water heater thermostat.

Warning! To lessen the risk of scalding, don't set the hot water heater temperature higher than 120 degrees Fahrenheit.

Detergent cup Dishwashers don't perform their best if detergent is introduced only at the beginning of a cycle, so add detergent to both parts of the cup.

If the detergent cup isn't opening, see the "The detergent cup doesn't open" section, below.



Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Oct 02, 2009

monomoy

  • 110 Answers

SOURCE: Hobart SR24H dishwasher will not spray, arm does not rotate

ck. flow press. of water , when fill solenoid opens press. should be @20 p.s.i because this is a time fill machine. this is important .not static press. flow press. also ck the screened washers in the fill hose to see if they are plugged .let me know what you find so i can futher assist. dont forget to vote tks

Posted on Jan 11, 2010

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I want to install an RO unit. For the RO faucet connection I would like to use the air gap connection on the sink that connects to my GLD5960 SS dishwasher. Can I get rid of the air gap connection from...


Hello,
The airgap prevents the water from the sink backflowing into the dishwasher. You could espically if your dishwasher hasa corragated plastic drain hose attach it under the sink so at one point the hose is higher that the nozzle of the disposer it connects to so the hose is still higher that the level of the nozzle and water wont backfill into the dishwasher.

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Do new dishwahers have a anti ciphen device. so i wont need a air gap/ backflow preventer thanks loran


If the installation instructions have the "high-loop" drain hose option... they do, in fact, have a back flow valve.

If that high-loop is not documented... Please spend the $10 or $20 bucks to keep it legal.

Manufacturers cannot suggest the high loop without a back flow valve on the supply side... as a failure to use a sink mounted "AIR-GAP" ... would then carry the high risk of mixing sewage water with your <community> drinking water supply...Yuk!

Even so... it would still be possible to have fresh sewage in the dishwasher.

Be prepared to show the Factory installation documents...to your friendly building inspector...

Who is only there in the interest of you... and your water community's water purity...and very well aware of the dangers of disease... poisoning etc.

Turning a blind eye to your neighbor can very well contaminate your water as well...

Think about it!

Be safe/smart... It is your health as well.

Oct 22, 2010 | Kenmore Dishwashers

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I have a hobart lxih that is leaking from the backflow valve even after replacing it


Make sure your flow pressure is 15 to 25 PSI. Flow pressure below 15 PSI will cause the vacuum breaker to leak.

Jun 18, 2010 | Hobart 25 in. LXIH-4 Built-in Dishwasher

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Hello,
All Hobart AM-14 come with a vacuum breaker which prevents any back flow from occurring.
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WHEN I RUN MY SINK IT DRAINS INTO MY DISHWASHER BOTTOM. I HAVE SNAKED THE HOLE AND IT STILL FILLS THE BOTTOM THEN I RUN IT EMPTY THEN FILL AND RUN AGAIN. HELP


The dishwasher drain line that connects to the garbage disposal or pipe under the sink should be looped above the height of disposal or pipe to prevent
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Most dishwashers have some form of internal backflow preventer inside the water sump assy..
Yours may be degraded or stuck open.


Jan 16, 2010 | Dishwashers

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No water pressure in rinse cycle


AM 14's need 20 PSI flow rate of rinse. Is your pressure gauge accurate? Could the rinse nozzles be blocked with scale? If you remove them to clean, make sure they go back in the same positions. Note the upper arm has one each side pointing up, to clean the top of the machine. Check that the upper rinse arm has it's thrust washer under it's hub.

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Kitchen Faucet Replacement


Option 1 ; Cap off the sprayer.  Option 2 ; Relocate the air gap as high as possible under the sink but then you have no drain under it in case it backflows (it is really a vacuum breaker ,  one way check valve) Option 3: Take back the faucet and get one of those that the spout is also the sprayer.

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Plumbing codes call for a gap between potable water and a drain. This usually looks like the distance between the faucet and the top of the sink or bathtub (one inch or more). Without the "gap", waste water could siphon back into the drinking supply. This "does" happen in situations where a city main is shut off causing a drain-down of the system with plumbing that has been done improperly. Sometimes it is a hose left in a mud puddle, or maybe a hose lying in bleach water. People have died this way. The plumbing code helps protect the general public from these dangers. Current improvements include antisiphon faucets for garden hoses, the air gap for the dishwasher, proper installation of water heater T&P relief drains, and backflow preventers for irrigation systems.

Aug 27, 2008 | Elkay LK58 Drain

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