I just wondered, I allways used to flush my HW heater yearly, then read
a whole lot ( mostly from this NG) about how sediment builds up, and
that a dip tube which "swirls" the water helps alot... BUT, we have a
whole house recirculating pump which runs during the day to speed up HW
delivery. Wouldnt this reduce , if not eliminate the need to drain the
thing? The pump is attached to the bottom of the tank off of the drain
line. I will be honest, I dont know whether water goes in there or out
, but at any rate , the water at the bottom must be stirred up quite a
Any ideas on this?
Its not that big a deal to drain it, I am just curious..
you are correct.... btw the water goes in the top and out top
on most heaters...yours would go in the top and out bottom
having said that, you can drain a few gallons out of the drain
valve on your heater once a year... if comes clear its a waste
of time...if it comes dirty then keep it up... the dirtier it
is the more you need to drain it. (thats called a blow down
in the boiler bidness)
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