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

Complete Professional Kit: Includes the control board

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

a specific LP conversion kit must be installed by a qualified technician to adjust the spring regulator and orifices

Common Questions: Which water feeder series is the McDonnell & Miller 304100 compatible with

Viessmann 7826516 Ignition Electr. 326070-701 but this OEM replacement partWhen 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.