Posted 4/7/2009 21:38 (#672839 - in reply to #672819) Subject: RE: Geothermal ?
the newest Water furnace pump goes the same direction uses electric valves to go into the second stage
two years ago they had some that changed directions to do the second stage
they did not work very well
ours was change in about 15 months
new style seems good
Geothermal ?
