I am changing piping for a residential building from the boiler coils for two lengths each. I don't know what the proper name for the temperature relief valve that sticks out of the 2" brass elbow. I know it is there so that the coils don't burn and the water keeps cool when hot water is not in use. Don't know the proper name however. This is in nyc
Residential Building cold water coil relief
- Thread starter merimaga
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crappy picture 
is that your low water cut off?
is that your low water cut off?