upom arrival john asked usual questions.proceeded to check/verify thermostat and aquastat to ensure that wasnt issue with no circulator pump not working.pump was shot.there was limited access to pump against wall and several other lines limiting access.yet he gained access to housing bolts carefully.as he said if its manhandled there could be a leak and it has to be done carefully.pump installed no leaks,works well.now have heat on 2 floor.
