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I have a Noritz NRC1111-DVNG installed in the attic when I re-piped the house in 2012. 10 months ago the lower copper heat exchanger started leaking, so I hired a local tankless specialist to replace it along with the gas manifold and some associated parts provided under warranty by Noritz...

I just replaced my Zurn-Wilkins 1-NR3XLDU 1" Pressure Reducing Valve as it was 12 years old and I wasn't happy with the pressure regulation. It would drop by as much as 10 psi from a 50psi set point depending on water flow. We're talking 2-1/2GPM from one shower, or 5GPM from two. This didn't...

Wall faucet, hose bib, sillcock or hydrant, lots of different names for the same item. I used to use the Woodford 101CP with integrated vacuum breaker. Not that I really need that feature. After I replaced a couple due to the vacuum breaker leaking (yes, I know about the rebuild kit that...

I have a GS faucets (Italian company) thermostatic kitchen faucet, which I think is no longer in production, although you can see the shower thermostatic cartridge it uses at the link. It looks a lot like this Chinese knock-off, maybe that's why it isn't sold by GS anymore. It's all brass and...

I have a slightly unusual water heater requirement, for a "Granny Unit", if you will. It will be a new installation, preferably under-sink as space is limited, with 240V service available at the panel. I am checking on the ampacity now, but with the installation of a ductless mini-split heat...

I have an existing 8" sheetmetal branch line off an (approximately) 18" trunk from my air handler. I need to replace it to 10" to better serve the 1/3 of the 1450sf house this line handles. Currently the air temperature is consistent throughout the house except for this under-served area. My...

I installed a Noritz NRC1111-DVNG in 2012 along with a larger gas regulator, 1-1/8" gas trunk line feeding a 1" branch line, and 1" copper water supply along with a Readytemp external recirculator pump and controller. A backwashing carbon filter followed by water softener (both Fleck 7000SXT)...

How long does Centaur catalytic carbon last? I know, lots of variables. Mine is 6 years old, 1.5cu ft. I think I am barely starting to smell chloramine. What is a good test kit to pick up the (presumably) low levels present after the carbon filter? I'm not sure if this is a job for test...

I am rebuilding the bathroom wall of my house, which means an electrical outlet can be installed by the toilet. Time for the famous washlet, perhaps Toto C200. Any experiences with this combination of Aquia toilet and washlet? Does it work well? Should I consider a different model of...

I have an older version of the SS204 with the finish wearing off. Hopefully if I replace it it will last longer than 6 years. I noticed the new version has a bulged lid, and I read complaints about it holding it away from the tank and not staying open. I have an original Toto Aquia CST412MF.

I have only used my Noritz NRC1111 with a backwashing carbon filter and water softener. I thought I read that descaling wasn't required with soft water. Anybody run a tankless and water softener together long-term without issues?

This 1.5 cu ft softener and matching GAC filter have been great. However, a few days ago I ran out of soft water in the shower with 144gal out of 687gal capacity (180 gal reserve, 26K programmed capacity, 30grain hardness, salted 8lb/ft). I confirmed hardness breakthrough same as the inlet...

I'm guessing this is not that unusual of a request, but I have not had much success finding tank brackets for softener/filter tanks. Additionally, with the plumbing running between the wall and the softener tanks and the standoff required by the Fleck 7000SXT valve, I can not use brackets that...

My mother has minor water quality problems from her well: a small amount of sediment, occasional minor sulfur smell in the cold water, and about 5 GPG hardness. No iron detected when she had it tested, but she does get slight iron staining on occasion. Probably not a justification for an iron...

Is there any such animal as a thermostatic kitchen faucet that is good quality? I have come to like the TOTO thermostatic shower valves I installed in the bathroom. While I realize the application is different, I see no reason that it wouldn't be convenient to have the thermostatic function in...

Today I measured 31 grains hardness using Hach 5B in my wildly-varying municipal supply. Is the test kit accurate at these higher hardness levels? I heard mention of diluting the test-tube-sized sample (perhaps with RO water?) and doubling the resulting drop count. Is this necessary for...

I have a 1 year old Fleck 7000 valve on a 1.5 cu ft 10" X 54" tank that mysteriously changes the capacity setting on its own. It always changes to 35 x1000. This may happen after a power outage, but I am not sure. The other settings remain valid. Obviously this will mess with the continuous...

How cost-effective is it to have deionized water available in the home? I see some "car wash" systems that appear to be fairly low capacity. My needs are not that great, just washing the cars and windows on the house. The resin can't be regenerated, can it? Do you buy regenerated resin and...

Posted this in plumbing, but realized it might be more appropriate here: Is there any such thing? I am tired of the racket my undersink RO filter makes dribbling the wastewater through a saddle drilled into the top of the garbage disposal lateral pipe. No leaks, but noisy as hell. Surely...

Is there any such thing? I am tired of the racket my undersink RO filter makes dribbling the wastewater through a saddle drilled into the top of the garbage disposal lateral pipe. No leaks, but noisy as hell. Surely some enterprising young man has addressed this market with a sink tailpiece...