| 摘要 |
PROBLEM TO BE SOLVED: To provide a circulation adapter showing low water conduction resistance of which assembly can be easily carried out and provide a bath additional boiling device having the circulation adapter.SOLUTION: A valve member 12 comprises the first check valves 12aa arranged at suction openings 13e1, 13e2 and the second check valves 12ab arranged at discharging openings 13e3, 13e4. The valve member 12 has a sheet-form where the first check valves 12aa and the second check valves 12ab are integrally connected. The valve member 12 has a recess part 12b extending between the first check valve 12aa and the second check valve 12ab from an outer shape of the valve member 12 to a connecting part 12c between the first check valve 12aa and the second check valve 12ab. The valve member 12 is supported at a rear member 13 by inserting a supporting part [a] of the rear member 13 into the recess part 12b.SELECTED DRAWING: Figure 4 |
