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Posted by joe on January 18, 2010 at 15:18:28:
In Reply to: Re: Still Overpressure please help posted by HeatPro on January 18, 2010 at 11:49:19:
: Three possibilities:
: You have a very large system with much water, so the EA-60 isn't large enough: Solution:
: http://www.heatpro.us/designtree/
: You have a tankless coil inside the boiler that is leaking slowly.
: http://www.heatpro.us/tanklesstree/documents/36D2A287A1836140D25E42896F83EF81603B6233.html
: Repair or replace.
: As the pumps are on the return, they add to the system pressure by the expansion tank, as they are not "pumping away" as recommended by boiler manufacturers since 1920.
: http://www.heatpro.us/multctree/index.html
: OR a combination of the above.
OK Thanks I will keep looking I have about 500 feet of 3/4" pipe which is about 11 gallons of water plus the 16 the boiler holds so I don't think the tank is undersized. As for the Hot water I isolated the loop and it still over shoots, I always have had the pumps on the return leg so something must else must be up. Once again Thanks for you help.