Watch this video from This Old House to learn how to install an air valve for a hot-water heating system.
Steps:
1. Turn off water leading to the boiler.
2. Mark the pipe for cutting, which allows the installation of the air valve.
3. Use reciprocating saw to cut out section of pipe.
4. Install copper threaded adapters to each side of the air valve.
5. Solder the air valve to the pipe.
6. Turn the water back on.
7. Switch on circulator pump to allow trapped air to escape through the valve.
Install an air valve for hot-water heating system
Click through to watch this video on thisoldhouse.com
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