The extended coupling has press connections without a tube stop

and washers

watertight seal in seconds with no flame

It comes in a bag

Bulk Pellets Target Rodents: Norway Rats

1-1/2"CP PRESFIT TEE-PxPxP PC611/WROT/PRESS FIT FITTING WATER HEATER CONNECTER-COPPER The extended coupling has pressNIBCO Press System fittings are the fastest, easiest way to join copper tubing systems in residential and commercial potable, hot, chilled and process water applications for plumbing and HVAC systems. The press fittings can also be installed underground. The NIBCO Press System is user friendly, quick and easy to install. When properly crimped a unique "N" witness mark is clearly visible. Please refer to NIBCO technical data sheets and catalogs for