On Mar 4, 3:03*pm, wrote:
We have a crack in the floor of our garage leaking fluid. It's new
construction, in floor heating and the plumber says four pipes froze
and broke open. We've had problems with the boiler since the fall
(leaking in the furnace room). Builder now says that was condensation
from the chimney and was fixed (we traced it to the boiler with the
plumber). The house originally had a 5 car garage and the builder
converted one 2 car garage into an office for us. The sensor is in the
office not the new garage portion (everyone overlooked this during the
renovation). We did forget to close the garage door a few times in
extremely cold conditions (possibly as low as -40 once). 2 pumps also
had to be replaced in the boiler. Builder pointed out the sensor
problem but lays the blame for the pipe freeze on us (and says that
was also responsible for the boiler pumps having to be replaced). The
builder has a very good reputation but he's also relying on the
plumber (whom he uses alot and trusts). Only other plumbing anomaly
has been master bathroom cold taps often given warm/hot water
intermittently instead of cold (in floor heating). I'm prepared to
accept that we caused this by leaving the one garage door open a few
times if the explanation seems plausible to the experts...just looking
for some opinions.

Sorry im no pro, but Id say you had a poor design and install. The
pipes broke in the garage because you left the door open!, thats BS,
one day, many times as the house ages, the door will break in the open
position, a spring, blown fuse, defective opener, have all happened to
me many times, even snow will keep my door from closing once in a
while. To have designed a system that will cost thousands to fix from
' the door open" was plain old negligence-A Hack Job. You blew pumps
too! Why, Low water? Was Boiler damaged or overheated? Is Auto Fill on
pouring out heated water? Condensation of Chimney? Sounds like BS
again if it was, its a Defective design - poor install. All that makup
water could screw up the boiler with scale and ruin it if Auto Fill
runs at 180+. The Plumber, is he a lisenced Heating Contractor with
experiance? I dought it or the Hack job you got would not have been
done, either way new means you have a warranty. I would not sit for
that work or you will be fixing this mess again and again and you will
have to disclose it when you sell, at a big loss. Contact the Boiler
manufacturer, the city inspector head about why the crap job was
approved, and a few other Real heating pros for Bids and advise on a
full remedy and inspection. Post at alt.home.repair and www.HeatingHelp.com
"The Wall" for real pros answers, now I think you are being suckered
by your builder, Mr Hackboy Builders and Hacksons Plumbing [and heat
sometimes too]