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Posted by Harold hydronicnetwork.net on January 13, 2004 at 13:02:25:
In Reply to: Re: Air Valve Sizing posted by Paul C. on January 13, 2004 at 10:28:52:
One-Pipe Steam Radiator Vents make the balancing easier; though they are expensive:
Gorton valves' site gives ideas. However, getting the right vent for the right radiator in a particular system with its own boiler timing is more trial and eror after getting into the right air hole size area.
Gorton vents. Their phone number is (908) 276-1323. Ken is terrific and can tell you where your local distributor is. The vent sizes are 4, 5, 6, C, and D. The 4 and 5 size goes in the rooms close to the boiler and the C and D size goes in rooms furthest (upstairs) from the boiler. The C and D have the largest opening and 4 and 5 the smallest.
Aside from this information, the vent holes s are also larger or smaller according to the size of the radiator, as the amount of air in a small or large radiator differs.
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