The rugged construction utilizes 17-4 stainless steel wetted parts and Viton bleed screw seals to ensure chemical compatibility and long-term stability

System Reliability: Restores proper drainage flow to prevent pressure switch faults and potential system lockouts

but this OEM replacement part is engineered to manage heating systems at altitudes between 3

Simplified Installation: Field-mountable design requires no specialized tools or valve disassembly

Viessmann 7826516 Ignition Electr. 326070-701 The rugged construction utilizes 17-4When you're servicing a Viessmann Vitodens 200 or 222 F unit, reliable ignition is the baseline for high efficiency combustion. The Viessmann 7826516 Ignition Electrode is the OEM replacement designed specifically for the WB2B, B2HA, B2HB, B2TA, and B2TB burner assemblies. This kit includes the necessary high temperature ignition electrode gasket, ensuring a gas tight seal at the mounting flange after youve pulled the burner for a maintenance check.