City Supply IK-WV-200-3-SW-LF

Noritz IK-WV-200-3-SW-LF 3/4" Sweat Iso Valve Kit with Male 500K Btuh Pressure Relief Valve Lead Free Kit designed to facilitate tank installation, lead-free sweat isolation valve kit comes equipped to help isolate your tankless unit from the rest of your plumbing.? For double wall vent systems