[Shop-talk] was tankless/instant water heater now slow hot water to fixture

[Tom Coradeschi]

The unit I have has a temp sensor. It shuts off when it senses warm water on the hot side - in fact won’t turn on if you already have warm water on the hot side. 

Tom Coradeschi
tjcora at icloud.com

> On Jan 26, 2022, at 12:20 PM, Paul Parkanzky <parkanzky at gmail.com> wrote:
> 
> 
> Not much different than the water that has been sitting in the cold-water supply line though, right?
> 
>> On Wed, Jan 26, 2022 at 12:09 PM Neil Sherry <neiljsherry at talktalk.net> wrote:
>> So the water that has come from the water heater and has been sitting in the hot water pipe is pushed back into the pipe supply the cold water to that bathroom? Not ideal when you want to brush your teeth, or am I misunderstanding it?
>> 
>> -----Original Message-----
>> From: Shop-talk [mailto:shop-talk-bounces at autox.team.net] On Behalf Of David Scheidt
>> Sent: 26 January 2022 15:48
>> To: Bob Spidell <bspidell at comcast.net>
>> Cc: shop-talk at autox.team.net
>> Subject: Re: [Shop-talk] was tankless/instant water heater now slow hot water to fixture
>> 
>> 
>> 
>> > On Jan 26, 2022, at 09:37, Bob Spidell <bspidell at comcast.net> wrote:
>> > 
>> > Got a question: Where does the (heating) water being shunted from the hot water line to the cold water line by a pump go?
>> 
>> The water the pump pushes back into the cold is taken from the water heater. The water heater draws replacement water from the cold supply, which is replaced with the water the pump is pumping. 
>> 
>> 
>> 
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