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Name: M Ahad
Subject: flashing noise
Question: when i flush the toilet, we get a loud noise which can be heard throughout the house. But i am not able to recognise this noise where came from. Do you have any suggession how to resolbe this problem. thanks
Answer: Hello,
You have a bad fill valve or ballcock. That is the part in tank that lets water in and shuts off,Has a float on, they have an atmospheric vacuum breaker on them and they are the culprit in most of these cases. You need to have a toilet tank rebuild. That should resolve your problem.
Name: Lea
Subject: Water Line Knocking/Squeling
Question: We have public water in our 17 year old home. We suddenly experienced this horrible squeling noise and knocking primarily upon any toilet flushing - dishwasher, showers, lawn irragation does not cause it. The city replaced the water lines at the street recently and this began right after. I suspect it is the Pressure Control Valve but have read that air in the line can cause this noise too. How do I tell if it is the PCV? If it is the PCV can I replace it myself? how would I bleed the lines?
Answer: Hello
Yes air can cause noise, but I would check out your toilets first, sometimes ballcocks/fillvalves go bad and cause same sounds. If you have shut offs under toilet tanks, shut off toilets and eliminate either all or 1 at a time and see if noise quits. Keep in mind tho that those valves if they have not been used could leak. I suspect this because the lawn system does not. They both have a atmospheric vacuum breaker on the toilets could be bad, I am assuming the lawn system is TEE'D in after the PCV. If before, then it is probably PCV. I would really recommend hiring a pro to change. If it is your PCV chances are the adjustment is seized and would be hard to check diaphram in IT, which controls flow of water, if the adjustment screw is movable adjust in and out see if noise subsides. But keep in mind you want it to stay at right pressure.
Try toilets first. Let me know.
Name: Tom Moran
Subject: Hot water recirc half works
Question: My hot water recirc provides fast-hot to the washing machine, but makes very little difference to anything else. But if I wait for hot at the washing machine, then other things get hot fast - regardless of whether the recirc is on or off. Running any hot heats both pipes going into the wall from atop the hot water heater, recirc only heats one. Could crud in the line act like a one-way valve on one of the hot out lines, or what?
Answer: Hello,
Sounds like the water is taking the easiest direction, I am assuming the recirc connects back into the bottom of heater, 1 or 2 lines, now not knowing where it connects into at the farthest fixture, meaning is it tied into both lines or 1. You have 2 pipes above heater going into wall ARE both are on circ or just one. Lets assume they both connect into the circ line, do they have flow valves on?
Sometimes water just takes the easiest route so you have to balance the flow in pipes. I am thinking that only one ties into line that would be the farthest from heater, and other does not.
If you have 2 return lines to pump, are they balanced. Meaning can you direct the amount of flow from one reduce it so pump pulls from both. Let me know.
It really does sound like only one is tied into system. I hope this makes sense.
Name: dave heiby
Subject: no drainage
Question: my whole house is backed up and the crawl space is too small to get into. i have been wanting a new floor in the bathroom anyway. i cant get a snake down through the pipes. how do i repair and replace the old cast iron piping?
Answer: Hello
Usually if a toilet is close we pull the toilet and snake thru there.
Sometimes if we can access crawl space we cut in a clean-out and run pipe to easier access, in basement or outside.
If you rip out floor and have to cut in clean out you repair cast iron by use of mission couplings, Made for no-hub cast iron pipe originally, If at all possible cut in wye and make a clean out to easy accessibility.
Let me know if you need more info.
Name: Jake
Subject: toilet placement
Question: Is there a standard for the number of inches that a toilet should be from a wall? And are there any codes that specify that it has to be a certain number of inches from a wall?
Thank you
Answer: Hello
I can tell you standard rough in is 12" but sometimeas due to floor joist and other varibles, sometimes it has to change, they make toilets with rough-ins of 10" and 14", they also make offset flanges to help. As plumbers the most common rough-in is 12". As far as codes we in MN. try for 12" because this is the most common toilet made.
Hope this helps.
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