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re: How Long Did Your Tankless Water Heater Last?
Posted on 1/24/24 at 3:12 pm to HBomb
Posted on 1/24/24 at 3:12 pm to HBomb
quote:We use that $20 Rectorseal stuff for the flush. Never had much luck with cleaning vinegar.
I have a 5 year old navien tankless and do the descale/servicing on it myself once a year.
ETA: one contractor told us to flush with the unit on for about 20 minutes, then with it off for about 40 minutes. Another said to flush only with the unit off.
Anybody got an opinion on this?
This post was edited on 1/24/24 at 3:34 pm
1
Posted on 1/24/24 at 9:14 pm to WB Davis
I’ve only done it with the unit off.
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