Viessmann 7835169 Ionization Electr. 322056-301 This dual pressure switch is

This dual pressure switch is factory-calibrated with specific set points of

35 Cv flow rating of Parker Hannifin GP400 series valves without the high cost of a total unit replacement

For contractors performing a furnace blower motor repair

The Williams K000851 Burner is a precision-engineered OEM replacement burner specifically designed for Williams Vented Hearth Heaters and Monterey Series furnaces

this step-down transformer converts 230/265V primary input to a stable 24V secondary output

Viessmann 7835169 Ionization Electr. 322056-301 This dual pressure switch isThe Viessmann 7835169 Ionization Electrode is a critical flame sensing component engineered specifically for high capacity Vitodens 200 W B2HA condensing gas boilers. Designed to handle the rigorous thermal demands of the B2HA 399 and 530 models, this electrode provides the millivolt signal necessary for the burner control unit to verify flame presence safely and consistently. This kit includes the required electrode gasket to ensure a gas tight seal