| Re: [GMCnet] Tankless water heater [message #328933 is a reply to message #328932] |
Wed, 07 February 2018 19:51  |
johnd01
Messages: 354
Registered: July 2017
Location: Sacrameot
Karma:
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Senior Member |
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Kingsley Coach,
I am John Phillips
12 miles west of Sacramento Ca. in Ranco Cordova.
Les is correct, the low-end units sense flow and turn the heater on 100%,
They do not modulate the heater. The more flow you get the less heat gain.
On Wed, Feb 7, 2018 at 5:04 PM, Les Burt wrote:
> Many of the smaller 110v tankless heaters do not heat to a set temp, they
> actually just provide a fixed temp rise of the incoming water. We installed
> a 5000w 220v tankless at my employer for washing hands. During the winter
> it was barely able to take the chill off the city water. Keep in mind that
> montreal city water can get down to 40°F in the winter, and never gets
> above 60°F in the summer.
>
> I believe it was rated at something like 40°F rise at 0.5gpm. A faucet
> wide open flows quite a bit more than that, and if we throttled the flow to
> get warmer water, the flow switch would often trip, shutting the element
> off. We eventually swapped the tankless for a 5gal water heater.
>
> Les Burt
> Montreal
> '75 Eleganza 26'
>
>
>> On Feb 7, 2018, at 6:14 PM, Kingsley Coach
> wrote:
>>
>> John
>> I wish you had put your address in your signature. I just looked to see
>> where you lived to be aware of the old 'cold water start-up'
>> That is a definite negative and an even more definite if one lives in a
>> cooler area..
>>
>> Mike in NS
>>
>> source=link&utm_campaign=sig-email&utm_content=webmail>
>> Virus-free.
>> www.avast.com
>> source=link&utm_campaign=sig-email&utm_content=webmail>
>>
>>
>> On Wed, Feb 7, 2018 at 2:48 PM, John Phillips
>> wrote:
>>
>>> It is a half gal. per minute system. The 'Navy' shower does not work
>>> because the system turns off when the flow stops. There is a
>>> stabilization period and cold water in the line on startup. They work
> best
>>> with a steady flow and can keep the same water temp for as long as the
>>> power and flow are steady.
>>> You could still use the 'Navy' shower concept to save water but count on
>>> cold water at each startup.
>>>
>>>> On Wed, Feb 7, 2018 at 8:00 AM, Kenneth Maggard
> wrote:
>>>>
>>>> Home depot has a $84 110v tankless on sale for today only. Seems like
>>>> prices have come way down and maybe this small one would be good for a
>>>> coach.
>>>> It says rated for a single sink but may work for a 'Navy' shower.
>>>>
>>>> https://www.homedepot.com/SpecialBuy/SpecialBuyOfTheDay?
>>>> mi_u=135379703&cm_mmc=hd_email-_-SBOTD-_-20180207_
>>>> sbotd_3108135-_-VA_SBOTD&et_rid=1061058
>>>>
>>>>
>>>> --
>>>> Kenneth Maggard
>>>> Paradise Valley, Arizona
>>>> GMCer wannabee since 1973
>>>> Please contact me if you know a good original for sale.
>>>>
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>>>>
>>>
>>>
>>>
>>> --
>>>
>>> *John Phillips*
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>>
>>
>>
>> --
>> Michael Beaton
>> 1977 Kingsley 26-11
>> 1977 Eleganza II 26-3
>> Antigonish, NS
>>
>> Life is too short to hold a grudge; slash some tires and call it even !
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--
*John Phillips*
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Johnd01
John Phillips
Avion A2600 TZE064V101164
Rancho Cordova, CA (Sacramento)
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