Issue
There are 2 different packing types available for ordering when choosing connections for the V241/V341
Environment
V241
V341
Cause
There is a difference in material used in the gaskets included with the connection packages.
Resolution
The "Packing, std" is a standard type gasket.
"Packing, spec" is intended to be used in primary circuit district heating applications. Material in gasket is PTFE.