Description
The Viessmann 7134770 is a 3" CPVC flue adapter designed for condensing boiler venting applications. It enables the transition from poly vent piping to 3" CPVC or PVC vent materials, ensuring a secure and code-compliant connection. This model is specifically compatible with Viessmann boilers, including B2HA/B2HB.
Features
- Transition adapter from poly to 3" CPVC or PVC vent pipe
- Intended for Viessmann condensing boilers: B2HA/B2HB
- Durable CPVC construction for high-temperature venting


