Quote:
Originally Posted by bluebandit
In your last photos there is a relief valve right after the feed regulator on the supply line. If you have a temp gun shoot the outlet pipes to compare to the gauge
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Oh thaaaat! Yea there is a relief valve on the water feed side which goes into the return. Never a drop seen.
I never had the expansion tank drained. However the radiators seems restored because none of them show any leak or rust stains. So i figure the tank was done at that time...whenever that was.