| Chester Water Authority has
an ongoing program that requires the installation of check valves on
all new and retrofitted water service connections. This program is part
of a public health precaution to provide what is called cross-connection
control. This will ensure that once water enters a property or a customer’s
home, it will not be allowed to reenter Chester Water Authority’s distribution
| We want to make you aware that
this check valve could exacerbate a problem that may occur if your hot
water heater ever malfunctions by overheating. If your hot water heater
overheats with the check valve in place, the expanded water will not
be allowed back through the meter and back into CWA’s distribution system.
The water will have to be released into an expansion tank, which should
be part of your hot water plumbing system.
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