i have a new tank and would like to run any eventual output from the valve
into my sump pump (about a 7' run).
the valve's got a 3/4 female end. i'd like to use pex, but i don't have a
tool, nor the fittings.
i have a suitable piece of 1/2" pex. i know the pex should go around a
connector and would be help in place with a ring that is pushed into place.
can i get away with stepping down the 3/4 to a 3/8" barrel which i'd insert
into the 1/2 pex and hold in place with a hose connector? i don't think the
output will be under severe pressure, and this is a simple solution.
You do not want to restrict the outlet. Safety devices are sized the way
they are for a reason; to take away the overload with no restrictions.
Since this is a blow-off, not a continuous use line, PVC would work as well.
Hell, I'd probably just run a garden hose for what you are doing.
Technically, you are correct. But in reality, it takes but a few seconds
for a blow off. It is not a supply line, there is no pressure buildup, and
the hose is not going to melt in 30 seconds. It is merely a diversion rather
than have the water hit the floor as would happen in hundreds of thousands
Yes, there are the PVC adapters.
you can just put a larger pipe under it with an air gap in a funnel
like fashion to catch the water from the blow off valve ....this
eliminates any chance of a restriction blocking the saftey blow off...
Keep in mind that if the valve performs its intended safety function, to
prevent rupture of the tank when the heating system fails to turn off,
there could be a lot of very hot water and steam blowing out of it at pretty
high pressure. A large, rigid, well secured line is kinda nice to have and
is required by some codes.
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