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Plumbing / Re: Leaking water to Air heat exchanger

« on: January 28, 2012, 08:00:01 PM »

My first exchanger lasted 6 yrs -- all copper.  It went out the week of Veterans' day, 2011.  I spent the entire holiday rounding up parts and a plumber to replace it.  Just 2 weeks ago, the new exchanger started dripping inside (again).  I rounded up a new part (a HAL, all aluminum unit this time) and swapped it out myself (threaded fittings instead of solder).   I used galvanized threaded pipe fittings & lots of teflon tape.  I don't know why the 2nd unit failed in 2 months.  My local distributor is going to try to get warranty coverage for the replacement.  I think November 2011 was just a bad month for heat exchangers(!). 

I'm going to try to repair my original unit -- either solder it myself or hunt down a radiator repair shop and see if he'll fix it.