Well, we tested it out. We turned the bypass valves, hooked up the hose to our external house spigot and, after pressing both the reset buttons, we got it to ignite. We ran the hot water and quickly noticed that the pink antifreeze solution was coming out of the faucet. We filled and emptied our 5 gallon bucket about 5 or 6 times before it started looking clear. The water did heat as expected, but we also noticed the exhaust from the heater had a bit of a burnt smell to it. Kind of like when you don't use your furnace for a long time and the first time you turn it on, it smells like singed dust. Is that normal, or is that a sign that it's damaged??
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