Rinnai 189951 Universal Shingle Roof Flashing (6/12 to 12/12 pitch)
Concentric ventilation system for Rinnai tankless water heaters
Rinnai's unique Ubbink concentric venting system offers maximum safety, performance, and ease of installation. It is compatible with all indoor Rinnai water heaters, except the 98 series which uses separate intake and exhaust vents.
• GSA Approved
• Width: 6"
Available concentric water heater vent fittings