All installations and all boilers shall be fitted with suitable
check valves to prevent accident or damage in case the water supply
should fail or it should be necessary to shut off the water.
If the customer or anyone concerned disobeys this chapter, the
supply of water to him may be shut off, or a fine of not less than
$5 nor more than $25 may be levied against him, or he may be imprisoned
in the Wayne County Jail for not less than five days nor more than
25 days.