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The inverted bucket steam trap features a small vent hole in the top of the bucket
As an OEM McDonnell & Miller replacement part
If the sensor fails to detect the required microamp signal within the ignition trial period
preventing nuisance pressure switch trips and furnace lockouts
This assembly replaces legacy part numbers BNR3412 and 100111651
Viessmann 7826516 Ignition Electr. 320788-702 The inverted bucket steam trapWhen 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.
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