Re: Scalding/Freezing Showers


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Posted by ward shaw on January 28, 1998 at 06:41:23:

In Reply to: Scalding/Freezing Showers posted by K bruton on January 27, 1998 at 19:09:14:


: My home, built in 1974 by a "Custom" builder has the annoying habit of scalding me in the shower when somebody flushes a toilet, or freezing me if someone turns on the hot water in a sink. The shower is on the main floor, and the water heater (natural gas) is in the basement about 50' away. Muni water pressure is 40 psi, through a 3/4 line that goes into a 5/8 meter, then back to 3/4 copper,then to a pressure reduction valve, followed by 5 90 degree elbows before it finally makes it to the basement ceiling and off to the hot water tank. The main feeder line to the master bath and 2nd floor bath is 3/4, but then it reduces to 1/ 2", which feeds 3 sinks, 2 toilets, 1 shower, 1 tub, and a partidge in a pear tree.
: My friend suggested creating a 3/4 loop, and tapping all the fixtures off of this.

: Any other suggestions ? ? ?

: adding a 3/4" loop will not balance your problem; your shower will still be starved for hot or cold water because of inadequate supply when other fixtures are used; the best solution that I can make is to install a pressure balanced shower valve like a Moen PosiTemp or Delta Monitor. These valves automatically and instantly compensate for fluictuations in water pressure and keep a constant temperature all the while.


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