The installation of unions in both the hot and cold water supply lines is recommended for ease of removing the water heater for service or replacement.
2
建议如下图在热水器下方安装一个适当的排水盆。
It is recommended that a suitable drain pan be installed under the water heater as shown below.
3
本热水器制造商建议在家庭热水管线上如 图7和8所示 安装调节阀。
The manufacturer of this water heater recommends installing a tempering valve in the domestic hot water line as shown in Figures 7 and 8.
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