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Posted by Wesley Wuertz on October 20, 2004 at 09:57:45:
In Reply to: Re: Home hotwater heat questions posted by HeatPro on October 20, 2004 at 08:51:18:
: Replacing a zone valve with a manual valve is not planning ahead, as changing heat demads with the weather means running up and down to adjust a manual valve.
BEEN THIS WAY FOR YEARS...
: Read the pages at:
: http://64.226.150.132/hydronic/service/purgeair.htm
ALREADY READ THESE PAGES, HELPED SOME BUT TALKS ABOUT PARTS MY SYSTEM DOESN'T HAVE...
: It could be that the previous references didn't include moving pictures.
I PRINTED IT OUT, IT DIDN'T INCLUDE MOVING PICS, SO I WENT BACK AND STUDIED IT ON LINE... STILL REFERENCES PARTS MY SYSTEM DOESN'T HAVE.
: If you don't have purge valves, install a tee and boiler drain or purge cock at the cold side of the zone valve. The previous installer must have gotne the air out by some means, probably a working air vent at a high point.
THERE ARE NO AIR VENTS FOR HIM TO HAVE WORKED WITH.
: Get nack with more questions.
I APPRECIATE YOU REPLYING, BUT YOUR REPLY DIDN'T ADDRESS MY NEEDS. WITH THE SYSTEM I HAVE, HOW DO I DRAIN AND RE-FILL FOR REPAIR WORK? WITHOUT VALVES AT HIGH POINTS OF SYSTEM HOW DO YOU GET AIR BACK OUT?