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Fitting Double Check Valve When Installing Outside Tap

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Postby Gadget » Mon Jun 19, 2017 10:03 pm

Hi Guys,

When fitting an outside tap (HOT), I'm assuming you still need to fit a double check valve? - question is, will there be adequate pressure to open the valve?
I'm guessing this wouldn't be a problem for a pumped combi system? but what about a gravity fed system?

thanks in advance...
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Postby kbrownie » Sun Jun 25, 2017 10:24 pm

Hot top potable water will not be contaminated.
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Postby Gadget » Mon Jun 26, 2017 7:59 am

thanks for reply....

so it's not possible to get the 'syphon effect' on a hot tap? - just trying to understand the difference...
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