Viessmann 7829798 Ignition Electrode 322838-752 the valve disc is likely

the valve disc is likely pitted or worn

The externally equalized design allows for accurate pressure sensing at the evaporator outlet

The Johnson Controls A19AAB-10 is a heavy-duty high range oven temperature control designed for demanding commercial and industrial heating applications

System Integrity: Using genuine Nordyne parts maintains the UL listing and safety profile of the furnace

Use a primary regulator upstream if your supply line exceeds 14" WC to prevent damage to the internal diaphragm

Viessmann 7829798 Ignition Electrode 322838-752 the valve disc is likelyThe Viessmann 7829798 Ignition Electrode is a critical OEM maintenance component engineered specifically for the Vitorodens 200 WB2B 35 series and Vitodens 200 W condensing boilers. As a veteran grade boiler ignition replacement, this assembly includes the necessary mounting gasket to ensure a high pressure seal and prevent combustion gas leakage during the ignition cycle. In high efficiency hydronic systems, electrode degradation or carbon build up