Caleffi Retrofit Extension Kit

Presscon copper tail-piece with union nut makes installation and maintenance of Caleffi components fast, easy and efficient. Special slots in EPDM O-ring allows fluid to leak during system testing if unpressed and the perfect leak proof seal when completely pressed. Presscon copper tail-piece union is available in size 3/4" C X 1" Female union nut which fits many components with 1" male union (straight) thread. Temperature range of 0°F - 250°F with pressure rating to 200 psi and up to 50% glycol mixture. Meets 2014 low lead law requirements.