Viessmann Vent Pipe Adapter 60/100 For Vitodens 100 w/ 200 w/ 222 F Series Boilers. Compatible with Vitodens 100-W WB1B (26/35) and Vitodens 100-W WB1Bc (26/35) Series Wall-Mounted Gas Condensing Boilers Compatible with Vitodens 200-W B2HA (19/28/35) and Vitodens 200-W WB2B (19/26/35) Series Wall-Mounted Gas Condensing Boilers Compatible with Vitodens 222-F B2TA (19/35) Series Floor-Standing Gas Condensing Boilers Any adjustments installations service or maintenance must be completed by a licensed professional heating contractor who is qualified to work with hot water boilers Check with manufacturer before ordering replacement parts to ensure a proper fit Package Contents: Viessmann Vent Pipe Adapter 60/100 For Vitodens 100 with 200 with 222 F Series Boilers Viessmann 7826466: Vent Pipe Adapter 60/100 For Vitodens 100 w/ 200 w/ 222 F Series Boilers