Help Center - Glossary of terms
| The QCC-1 connector is a nut-and-nipple assembly, and is
easily identifiable by the large, external right-hand threads on the
cylinder valve. The QCC-1 connector's patented nut is easy to connect
and tighten without tools. It also features internal left-hand threads
that allow you to connect appliances that still use POL connections. The
internal threads also make it easier for your LP supplier to fill your
cylinder, without using an adapter.
Sometimes referred to as the "new style." |
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QCC-1 connections, both at the cylinder valve and at the appliance
end, have certain safety advantages over most POL connections. The
nipple has a patented Flow Limiting Device that shuts off gas flow if a
leak occurs between the regulator and the appliance burner valve. It
activates each time you open the cylinder valve, so be sure the
appliance is turned OFF before you open the valve. If the appliance is
not turned OFF when you open the valve, the Flow Limiting Device will
not be able to reset and will restrict gas flow to the appliance. The
QCC-1 connector is also heat sensitive, shutting off the flow of gas if
it is exposed to temperatures between 240 & 300 degrees F.
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