Fisher 73007 Inline Dual Check Valve 1/4" Male, 1/4" Female
- 1/4" male, 1/4" female connection size
- Prevents backflow
Fisher offers four general types of backflow prevention. We use an air gap, we use an atmospheric vacuum breaker, a dual check valve backflow preventer, and an anti-spill pressure style vacuum breaker. Each has its own unique application. Air gap is the distance between where the water comes out of the fixture and the flood rim of the sink. You need to maintain a minimum of 2" air gap. The dual inline check valve backflow preventer is used whenever you have a flexible air gap, such as on a pre-rinse where the outlet of the device could well be below the flood rim of the sink. Atmospheric vacuum breakers commonly found on kettle fillers and service faucets are designed to prevent back siphonage. The caution is that you are not allowed to have any shut-off valves downstream of the atmospheric vacuum breaker. Anti-spill pressure style vacuum breakers are commonly found on hose reel units. They protect against back siphonage, back pressure, and it's important to note that you can have valving on the inlet side of this and the outlet side of it. And they are not to be installed above ceiling tiles in the wall, it must be accessible for inspection. Backflow prevention can be quite complex, however, in the Fisher catalog we offer many kits and components to make the process quite simple. Be sure and check your local codes. Thanks for watching.
With four general types of backflow prevention, you're sure to find the best one to suit your needs with Fisher. Watch this video to learn all about the various fixtures you can use to help prevent backflow in your plumbing system!
Fisher 73007 Details
This Fisher 73007 inline dual check valve features a 1/4" male, 1/4" female connection size and is designed to prevent harmful backflow that can contaminate your facility's water supply. Check valves like this one may be required by local code in certain applications, and are a good idea in any application where there is a potential for backflow.
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please contact us prior to placing your order. Expedited shipping availability may vary. We cannot guarantee that this item can be cancelled off of the order or returned once it is placed.
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