Re: in-line water heaters
[re: ksks]
06/20/07 01:50 PM
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If the well water tests pretty hard you need a softener to protect the heater. Yoiu can use potassium based recharge agent instead of sodium based (salt.) Costs a bit more but doesn't put sodium in your water.
As far as tankless heaters go they should work fine on well water that isn't too mineralized. Your latitude (unknown because you didn't fill out any bio stuff) is the primary factor, (baring subterranean thermal activity) in determining the temperature of the water from your well. Here we have about 62-62.5 but in northern states you might have 50-55 degree well water so the tankless heater would have to be sized appropriately to handle the delta T required to take ambient water up to about 125F.
Re: in-line water heaters
[re: ksks]
06/22/07 10:18 AM
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We installed a Rinnai propane water heater back in March. Our electric bill each of the last two cycles was about $65 lower than normal. I attribute this to the fact that the electric tank kept water hot 24 hours/day, while the tankless Rinnai only heats when the tap is open. It will take several years for it to pay off, but now the wife can run a full tub and not fuss because she ran out of hot water. I am very pleased.
We use city water, so I can't offer any advice on the well water problem. The Rinnai website may be of help to you.
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Rick
A word aptly spoken is like apples of gold in a setting of silver.
Re: in-line water heaters
[re: RSTX]
06/23/07 03:32 PM
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RSTX, Don't know what you pay for a KWHr of electricity but you must have high priced electrons and or must have had tremendous standby losses to save $65/month by changing heaters.
You will find that having a never ending supply of hot water to be a real luxury but it will tend to promote more water usage which requires more heating. You will save the standby losses but your consumption will tend to increase since there is no consideration of rationing to prevent running out.
I have a 50 gal tank heated by heat pump at 1/4 to 1/3 the cost ot a standard tank. IT feeds a conventional 40 gal propane fired tank which doesn't have to do much as it is supplied 115 degree water. We NEVER run out or even get low when filling the big (5x5) Jacuzzi tub. In case of electrical outage (not uncommon around here) the propane unit does it all and you don't notice if you don't over tax its abilities.
Although we are plumbed for well water it is a back up supply as we are running on a rural water supply. Our rural supply was only down once in 3 years and all we noticed was reduced pressure while folks at higher elevations HAD NO WATER.
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I am very pleased.