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minahanna 12-13-2005 11:46 AM

my tile floor is warm
I have a 2-story house built in 1966 on slab in Northridge, CA. I have Copper piping. My kitchen & corridor tile floor from Wtr Htr in Garage to kitchen sink is too warm in different areas along the 40 foot run. Is hot water leaking at multiple areas under the slab. Hot water at kitchen sink takes 5 seconds to get hot(40 foot from heater). In other parts of the house, it take 30 to 40 seconds. I discovered this warm floor in the summer when I walked bare foot. No sign of wetness or moisture on floor. I shut off the hot water valve at the heater during the night 10 PM to 5 AM to check. Still the floor is warm at 5 AM. I don't have a heater pump. Can you help?

rspainhower 12-13-2005 04:00 PM

Do you have radiant heat under your tile floor?

minahanna 12-13-2005 05:17 PM

I do not know. How can I find out. Nothing is indicated at the circuit breaker panel, no thermostat, ...

CGofMP 12-13-2005 08:08 PM

Is the home an Eichler perchance?

Eichler Homes were a contemporary styled home featuring open living areas, flat or slightly pitched roofs that sometimes incorporated a sharp point above a entryway. Eichlers have extensive glass areas much of which is at the top or near the peak. They do not have an attic or any crawlspaces.Eichlers are on a concrete slab, and introduced the use of hydronic radiant panel heat for the heating system. They were built from 1950 - 1973 in Northern California, between San Rafael and San Jose. I understand they built them down south where you are.

There are approximately 11,000 homes in these areas.

To me Eichlers look more like a carport with doors than a home :-)

If you have an Eichler its real possible you have a radiant heat floor.

nikomie 12-31-2005 12:28 PM

I am having the same problem. I also live in Northridge in a two story townhome. I think the first tile began to get warm 2 weeks ago and now its half the kitchen and part of the breakfast nook. We also tried turning off the water heater while we went to work but it did nothing. HELP!

jproffer 12-31-2005 04:11 PM

People pay good money for this feature to be installed in their floor. Go with it:D

Zero Punch 01-02-2006 06:13 PM

I know this may sound strange but how about talking to the neighbors if they have similar homes they may have information about the "problem"? They may even be nice folks.

minahanna 01-23-2006 02:20 PM

More of the kitchen floor is getting warm. I noticed my 1-year water heater is working non-stop. I turn the heater water valve off during the night and when out at work. Heater manufacturer confirmed that there is a leak. I am more convinced that my copper piping has numerous pin holes and a major re-piping has to be done.

joed 01-23-2006 06:04 PM

Sounds like a broken water line under the floor. Try turning of the water from the heater and see if the floor cools off.

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