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Posted by GeneratorGrrl on May 19, 2005 at 15:49:41:
In Reply to: Re: Put in another isolation valve? posted by HeatPro on May 17, 2005 at 11:59:37:
: Have him install the valve as you describe; it is worth the peace of mind to keep the system full while boiler, guages, controls, etc. are replaced. A ball valve with a bleed port to aid in fill to the valve location is helpful.
Not just peace of mind but expense in refilling the system, and pain-in-the-ASCII time spent in bleeding the air back out. Seconded, install the valve - I can't understand why any installer worth his/her salt would NOT install two isolation valves :-P