Regulators' Code - regulators
ZurnDouble CheckValve
In a backpressure condition, the increase in pressure will force the checks to close tighter. If the second check is not working, the first check can act as a backup to stop the backpressure from going through the device.
On May 5, 2014 the state regulations (Florida Administrative Code (FAC) Chapter 62) related to protecting the public water supply were changed significantly.
Checkvalve
This device is subject to failure, as with anything mechanical, so it is required to be replaced at least every 10 years or on replacement of the water meter to ensure the drinking water system is protected. It is not equipped with test ports.
Pursuant to Chapter 50.40 Cross Connection Control Program Code of Ordinances City of Pembroke Pines “The minimum backflow protection to be provided and the different categories of facilities that require backflow preventers, as required by the city, are listed in Table 62-555.360-2 of the Florida Administrative Code. Residential Service Connection - DuC Minimum (owned and installed by city personnel when setting the meter) (refurbished or replaced every ten years by city.”
Every drinking water system in Florida must have a cross connection control program, more commonly known as a backflow prevention program. (See Section 62-555.360 Cross Connection Control for Public Water Systems) https://www.flrules.org/gateway/ruleno.asp?id=62-555.360&Section=0
Double CheckValveBackflowPreventer
The Dual Check Valve backflow preventer device is a mechanical device designed to prevent backflow into the residential water system, it consists of two independently acting, spring-loaded check valves and is effective against backpressure and back-siphonage. The device is only approved for residential service connections.
Look for information packet to be hung on your front door handle, followed by a blue door hanger, prior to installation.