[QUOTE=flybouy;417480]
Quote:
Originally Posted by ewbldavis
I'm not clear on how you "let in" a "little antifreeze" into the water heater. How do you know how much you let in unless you drain it? If you drain then what's the point?
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I'm not worried about the water heater, but the line going from wet bay to water heater. I ran pump with antifreeze like 10 seconds, then flipped valve to "bypass". Maybe not a super scientific method, but worth a shot and I saw a little pink at WH drain.
I use low points and compressor before filling with antifreeze. For $3/gal. it's cheap insurance in case I didn't get it all out. Regardless of your methods, sad time when we shut them down for 6 months!