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This 1/2 IN process boiler water feeder is used on small process boilers and in heating applications on pressing machines when feed through the float chamber is permissible. It has external water feed connections, a 1/2 IN NPT female water feed connection and a 1/2 IN NPT female float chamber connection. Water is fed automatically as needed to maintain the correct water operating level in the boiler. The water pressure must be at least 10 psi (68.9 kPa) higher than steam pressure. It does not have a strainer. Maximum water pressure is 125 psi (8.6 bar), and maximum steam pressure is 100 psi (6.9 bar).