Pull your dick out of your mouth, or at least stop pounding your epiglottis
Two things might happen:
1. You might stop damaging your already damaged brain.
2. You might actually be funny one of these days.
Fer Petes sake. Once the water is added back in to the system it is
purged of corrosive content by the heat. You don't need any additive
whatsoever, unless you are going to leave it inoperative for a long
spell or it is going to be in freezing conditions. It is wise to bleed
the system after a few days, unless you have automatic bleeders. Most
do. Don't let one of them that Union guys near it. They have been known
to urinate into the feedwater. They think it cleans up their drug test. ;-p
Prestone? In a boiler? I don't think so! Ethylene/Polyethylene glycol is
toxic. Why would you ever put that any where near your domestic? Use a
product like Harvey Heat or similar which carries all the anti-corrosive
additives as well as uses Propylene which is non-toxic.
This is absolutely correct. Most system have an automatic water
replenishment valve to compensate for any water losses. This
replenishment system is hooked directly to the potable supply water
for human consumption. Toxic chemicals in the heating loop could seep
back into that potable system and kill or cause permanent brain damage
to mammals and humans.
All water meters have a back flow check vale to keep each users back
flow from entering the public system. But it is not full proof. The
Health Department takes daily random samples for th good of the
community. The back flow check systems on Hydronic Heating systems are
not of the quality and are seldom maintained until full failure. Inside
of that closed loop from the water meter is the drinking water of your
I like my family, but you do as you will. I will never knowingly damage
another human being with my work.
Just plain tap water after a couple of days of heating loses it mineral
and corrosive content. It actually turns kind of dark or black in iron
or copper pipping. Those pipes will remain corrosion free. If you ever
expect it to freeze, then you need to add a special long term
antifreeze. Hot water heat systems seldom need freeze protection. But a
bit of antifreeze will insure that remote possibility.
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