Hi
Wonder what this device is in the water supply boiler line. It is circled in the picture.
It is before a shutoff valve and then there is a backflow preventer and then the Watts SB1156F water pressure regulator.
Thanks
Wonder what this device is in the water supply boiler line. It is circled in the picture.
It is before a shutoff valve and then there is a backflow preventer and then the Watts SB1156F water pressure regulator.
Thanks