请教Plumbing高手
- 主题发起人 123abcy
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there is a adjustable swich in mixing valve,you can set it by yourself and get different temperature water.for example,you set 70 percent hot water and mix 30 percent cold water.if you feel mixing water not hot enough,you can set 80 percent hot water and 20 percent cold water,so mixing water will be hotter than before.
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如果你的water tank是租的，就打电话叫他们来查。
估计是tank里面的下水管子坏了。这样你只能利用里面很少的一部分水量，而且是凉的那部分就放不出其他部分的热水了。先兆是放水的时候里面有些白色沉淀物－－那个管子破损后的碎末。
http://www.rd.com/how-to-repair-or-replace-defective-waterheater-dip-tubes/article19441.html
估计是tank里面的下水管子坏了。这样你只能利用里面很少的一部分水量，而且是凉的那部分就放不出其他部分的热水了。先兆是放水的时候里面有些白色沉淀物－－那个管子破损后的碎末。
http://www.rd.com/how-to-repair-or-replace-defective-waterheater-dip-tubes/article19441.html
Hurricane
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You are not going to get hot water higher than 120 degree F (49 degree C). The valve you have is high limit mixing valve. Adjustable up to 120 degree F maximum. This is building code requirement, you're not suppose to temper it in any way. Especially if you consider to sell the house in the future. Here it's called scaldguard. Kind of silly, but unless you remove it, there is no way you can have hot water higher than 120 degree F, even you set the hot water heater to 140 degree F (60 degree C). It's standard for all new construction.
Hurricane
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Forgot to mention, if your house is new construction, 99.9% the shower mixing valve will have built-in scaldguard as well. So even if you remove the high limit mixing valve at the tank, you may not get very hot water from your shower head. It's limited to 110-120 degree F.
好象还没找到答案, 澄清几个问题.
1 水温是一天比一天冷. 不是刚打开的时候热, 洗洗就冷了.
2 任何时候, 热水TANK里面出来的水都很烫, 只是经过了那个VALVE以后就冷了.
3 如果不管它, 一个星期以后洗澡就很难受, 冻得有点哆唆.
4 我那个是烧GAS的TANK, 用了两年半, 最近两个月开始不正常的. water tank是租的, 但给他们打电话也没用, 因为water tank出来热水了.
5 我现在的办法就是把那个阀先调低, 出来的都是冷水, 然后调高, 就有热水出来了. 能管几天, 然后水温一天比一天低.
继续请教高手指点.
1 水温是一天比一天冷. 不是刚打开的时候热, 洗洗就冷了.
2 任何时候, 热水TANK里面出来的水都很烫, 只是经过了那个VALVE以后就冷了.
3 如果不管它, 一个星期以后洗澡就很难受, 冻得有点哆唆.
4 我那个是烧GAS的TANK, 用了两年半, 最近两个月开始不正常的. water tank是租的, 但给他们打电话也没用, 因为water tank出来热水了.
5 我现在的办法就是把那个阀先调低, 出来的都是冷水, 然后调高, 就有热水出来了. 能管几天, 然后水温一天比一天低.
继续请教高手指点.
如果阀门之前的水管一直比较烫，基本上肯定是阀门有问题。
The message below may help!
Dear xxx,
When your husband replaced that mixing valve [it would help me if I knew the brand of fixture, like Moen or Delta] did he notice if there was any debris blocking the hot side of that cartridge?
I have dealt with a lot of similar problems with guest bathrooms in my neighboring town of Carefree. Certain times of year here, people have visitors, so their guest bathrooms are also only used on occasion.
Our water here is high in mineral content and the mineral build-up can often cause Moen cartridges to freeze shut if they aren't used frequently, for example.
It sounds like you may have some build-up of scale [the remnants remaining from minerals in the water] in your water heater. You may have to replace that mixing valve again, or maybe just take it out and see if it's blocked on the hot side. If there are seats and springs inside [like Delta] see if some debris has blocked the water coming in.
I've gotten into fixtures and found pieces of scale, like little white flakes, jammed into the openings. Once you get this cleared out, you probably ought to run the water from time to time in that tub/shower to keep the particles flowing so they don't accumulate.
As far as the water heater, if you have a lot of minerals in your water, the elements [if it's electric] will attract scale, and the pieces drop off and collect in the bottom of the tank. I'll scrape out as much as I can when I replace a bottom element, but it's almost impossible to remove it all.
With a gas water heater, there's no way to remove it, so it's in there for the duration. Hope this helped!
