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Posted by BoilingMan on May 13, 2002 at 08:12:23:
In Reply to: Re: Sight glass posted by Tony Conner on May 10, 2002 at 13:26:23:
: Is this a round gauge glass? If it is, the first thing I'd check is the washers you're using. The ones you've got are probably for low pressure steam, or more likely, an expansion tank gauge glass for a hot water system. Make sure you've got the proprer ones, and are rated for the service they're in. If you ask whoever's supplying them about what temperature your current washers are good for, and he says "Huh?", you're talking to the wrong guy.
I agree with Tom. But One more secret: if it is round glass, wery importent is how you arrange the washers on the glass. Besides of rubber washer there should be a tiny brass washer. The order how you arrange this should be this: rubber washer - brass vasher - flare nut, rubber washer face to cock valve.
Hope it will help.