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Originally Posted by 17362
Our house is 17 years old. We bought last year. Within 2 days the water heater had to be replaced, it was about to explode- rock hard. We opted for the 50 gal.
That being said we had the HVAC evaluated. It’s good for a few more years. The people dumped vinegar in the lines and caused rusting, cleaned that up, not too extensive. It’s all still within parameters for cooling and heat. We figure within 5 years for the HVAC. Note: professionals say only Run HOT water once a month thru your HVAC.
We also got a whole house system water softener. We already see the damage reversing at the sinks.
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Drain lines in the HVAC are plastic...nothing to rust.