Valve of 8 tap water had better not use the valve that takes handwheel, can use spanner type valve, prevent somebody to involve water a powerful person by accident, bring about cistern to be short of silk of electric heat of water burn down.

• 8自来水阀门最好不使用带手轮的阀门，可使用扳手式阀门，防止有人误关水阀，导致水箱缺水烧毁电热丝。