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As an OEM McDonnell & Miller replacement part
minimizing the thermal shocks that lead to premature heat exchanger fatigue
Common Questions & Technical Support: What models does the WIR3351 fit
This assembly replaces legacy part numbers BNR3412 and 100111651
Key Benefits Precision Refrigerant Metering: Engineered to maintain consistent superheat
Viessmann 7826516 Ignition Electr. 320788-702 As an OEM McDonnell &When 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.