Re: Hot water pressure problem

On Sep 29, 9:29 pm, jrstech <jrst...@xxxxxxxxxxxxx> wrote:
On Sep 29, 9:51 pm, jim <woodenh...@xxxxxxx> wrote:





On Sep 29, 6:16 pm, jrstech <jrst...@xxxxxxxxxxxxx> wrote:

On Sep 29, 7:01 pm, "Joseph Meehan" <sligoNoSPAM...@xxxxxxxxxxx>
wrote:

"jrstech" <jrst...@xxxxxxxxxxxxx> wrote in message

news:1191103677.670371.214910@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

We recently remodeled a bathroom with new shower plumbing with a Grohe
thermostatic valve and body sprays. Additionally we replaced the tub
rough and trim. The problem is that the pressure on the hot water side
drops significantly after about 5 seconds when running either the tub
or shower in hot only. When switching on the cold only the pressure is
great. If the tub or shower is running hot only and we turn on the lav
faucet the hot water only trickles out. This bathroom has a dedicated
40 gal electric water heater located in a closet 10 feet away. One
thing we noticed is that the supply line going into the heater heats
up as hot as the hot water pipe within 10 to 15 seconds. Not sure if
this is part of the pressure problem, but I would think that the
supply line to the heater would only get colder as water flows into
it. You advice is greatly appreciated.

Is the dedicated water heater new or was it there before.

Other than that, I suspect the that it is the thermostatic valve that
protects you from being scalded. It may have been defective. Check with
whoever did the work . I believe Grohe is good stuff.

--
Joseph Meehan

Dia 's Muire duit

The water heater was there before. It is the cold water supply to the
heater getting so hot that has me concerned now. It seems that there
is some kind of loop feeding hot water back to the heater after the
hot water runs for 10 to 15 seconds. The cold water supply pipe gets
as hot as the hot water pipe exiting the heater.- Hide quoted text -

- Show quoted text -

Where do you take the cold off for the tank and the tap if at the end
of a line and tee'd you are sucking it outwhen you have the tap turned
on. Or you have your connections crossed not the first to do that.
send picture of set up- Hide quoted text -

- Show quoted text -

Don't have pictures of the rough work but it does sound like some
connections are messed up at a tee or valve and the hot water is
getting back into the heater after a few seconds. Is that correct?- Hide quoted text -

- Show quoted text -

The cold should always go to the house then the tank also this
should be no closer than 3 feet from entrance to tank as the
possibility for suck up acures when cold is on . either way without
seeing it this is possible but picture would confirm get a plumber pay
him for a opion and tell him you will fix yourself whats a few bucks.

This is what it sounds like to me have seen it before diy

.

Relevant Pages

  • Re: how to get a hotter hot tub?
    ... jacuzzi tub with initial water ... We're looking for a smaller sized hot tub - and with the amount that my ... I think there are three things in the temp control loop: The thermostat, ... Obviously you don't want the heater running if the water isn't flowing, ...
    (alt.home.repair)
  • Re: Electric Water Heater Maintenance
    ... recommend draining it again and having a look at the anode. ... The water heater is a State Industries P64020LS. ... Then a pressure reducing valve on the home to bring any unneeded high ...
    (alt.home.repair)
  • water heater saga
    ... Services were held with a mop and bucket; appropriate curses were heaped on the souls of people who would design and sell a heater that only lasted 5 years. ... I've always done my own plumbing and repair, so it was off to Sears to get myself a new 50-gallon gas heater. ... Well, to make a long story short, I got both heaters installed by mid afternoon and they were happily doing what Mr. Sears intended for them to be doing- making hot water. ...
    (alt.home.repair)
  • Re: Hot water pressure problem
    ... Additionally we replaced the tub ... The problem is that the pressure on the hot water side ... Is the dedicated water heater new or was it there before. ...
    (alt.home.repair)
  • Re: OT: Plumbing Help Needed
    ... You will need a 80 gallon tank since you installed the tub...... ... your exixting water heater for a 80 gal. ... These tankless water heaters are not the best appliance ... tub and they are VERY costly for this tub application. ...
    (rec.games.pinball)