[an error occurred while processing this directive]
Posted by ray on November 18, 2003 at 08:48:54:
In Reply to: location of expansion tank posted by Ray on November 17, 2003 at 14:12:34:
: I am instaling a used weil mclean boiler, and in the manuel with zone valves it calls for the diagframe expansion tank to be on the return side, In the original installation it was on the output side. does it matter