| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot water storage tank unit which enables pipe length between external equipment and the hot water storage tank unit to be shortened even when the external equipment is installed in any side of the hot water storage tank unit in the lateral direction. <P>SOLUTION: Connection pipes 38<SB POS="POST">1</SB>-38<SB POS="POST">4</SB>communicating with connection ports 37<SB POS="POST">1</SB>-37<SB POS="POST">4</SB>for the external equipment are arranged in an external casing 3 so as to extend from one lateral-direction side surface of the external casing 3 to the other lateral-direction side surface. The connection ports 37<SB POS="POST">1</SB>-37<SB POS="POST">4</SB>for the external equipment and closing plugs for blocking the end parts of the connection pipes 38<SB POS="POST">1</SB>-38<SB POS="POST">4</SB>are attached in a freely exchangeable manner to one end part and the other end part of the connection pipe 38<SB POS="POST">1</SB>-38<SB POS="POST">4</SB>which are positioned respectively in the one lateral-direction side and the other side of the external casing 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
