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Author:
kingshakabobo (IL)
I guess I'm concerned that the fixtures are "daisy chained" and maybe they should each have their own direct link the the first "branch". Or does it not matter?
Edited 2 times.
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Author:
kingshakabobo (IL)
Or is this a better configuration?
Edited 1 times.
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Author:
LemonPlumber (FL)
I see no volume controls???Every time you use this all will work at the same time???when the homes water is on???Is your thermostatic on off type??Knowing the manufactures valves by number will get professional answers.
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Good Luck. Insulate your hot piping, although costly, it will pay you back every day.
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Author:
kingshakabobo (IL)
They are Grohe 3/4 inch volume controls (29274 000) from a grohe 3/4 tempature control only (34 124 000)(no on/0ff).
The "V/C" is the volume control and "T/C" is temp control. Sorry, forgot to note that on a legend.
The guy at the plumbing supply house said 3 fixtures would be OK from the Temp. Control valve. I have 4 hooked up but the hand spray is only for the dog. I really don't forsee using more than one or two at any time.
Thanks!
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Author:
LemonPlumber (FL)
The first looks good.Seem to remember a foot note about the bottom outlet of this valve being used .Will see if I can find it.
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Good Luck. Insulate your hot piping, although costly, it will pay you back every day.
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Author:
kingshakabobo (IL)
I was wondering about that bottom outlet. the directions are lacking. I plugged it but using it would be helpful.
Thanks for your help.
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Author:
packy
you can't use the bottom for that application. plug it with a brass plug.
i don't know that there would be much difference between the piping arrangements.
number one looks better to me but two would also work.
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Author:
LemonPlumber (FL)
Pachy , don't have the pdf from grohe on this pc but will look .think you can use the outlet on this valve to flow as a loop back to fixtures for increased flow demand.
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Good Luck. Insulate your hot piping, although costly, it will pay you back every day.
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Author:
chicago plumber (IL)
as long as its a thermostatic mixing valve you can use the bottom and top outlets. only time you cant use both is with a pressure balance valve. i see no prob with piping either way. ive ran 3 vc off of 1 therm valve befor. just add up the gpm s of each of your outlets ( body spray, rain hd, handspray, whatever) and make sure it doesnt exceeds the thermos flow rate.
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Author:
hj
They usually say not to use both top and bottom openings. But they might be thinking of it as a tub/shower valve in which case you could NOT use the bottom for a tub and the top for the shower and would need a valve with an on/off function also.
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Author:
JOE (PA)
How are you going to heat all of this water or are you taking 5 minute showers?
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Author:
kingshakabobo (IL)
JOE (PA),
The building (six units) has a 100 gallon water heater we just installed last year. It's a big unit with a fast recovery time. I forget the BTUs but I remember we sized the unit so we would have fast recovery just in case.
We have never had an issue with hot water in this building. I'm ashamed to admit I have accidently left the shower running for over an hour on a few occasions (start the water and take a customer phone call etc.).
Honestly, I don't expect to be using ALL fixtures at once anyway. I would be happy with a regular shower but I figured I would add the extra gadgets for re-sale reasons. The hand-shower is only there to wash the dog - who knows, maybe she will like the other fixtures and we'll give her a "car wash".
The rain shower will look neat but seems kind of silly to me. I haven't even picked one out yet. The supply house has some nice rain heads for some NICE money. I just can't see paying 500, 800 or 1200 dollars for a single fixture.
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