Viessmann 7818363 Ignition Electrode 321894-709 Isolation valves should be closed

Isolation valves should be closed before removing the strainer nut to flush the screen

When executing a solenoid valve diaphragm replacement

allowing for a comprehensive replacement of the pilot assembly

Is this suitable for both 50Hz and 60Hz operations

many technicians use a silicone-based lubricant

Viessmann 7818363 Ignition Electrode 321894-709 Isolation valves should be closedFor service technicians maintaining high capacity condensing units, the Viessmann 7818363 Ignition Electrode is the specific OEM replacement part required for Vitodens 200 WB2 Series boilers, specifically the WB2A 44 and WB2A 60 (44kW and 60kW) models. This high temperature electrode is engineered to sustain the precise spark gap necessary for reliable burner ignition within the Inox Radial heat exchanger assembly. Given the high demand cycling of the