Is the 246-424 sold as a pair or a single unit

OEM Compatibility: Ensures a direct fit for Goodman B1368042S applications

Precise Control: Jumper-selectable rotation direction and 0-90° mechanical angle adjustment in 5-degree increments

Always verify that total system line pressure does not exceed the sensor's maximum rated burst pressure to prevent diaphragm damage

Viessmann 7836489 Ionization Electrode 319852-301 Is the 246-424 sold asAs a veteran technician, you know that a flickering flame signal is often the first sign of a service call. The Viessmann 7836489 Ionization Electrode is the critical OEM flame sensor required for precise rectification in high output Vitodens 200 W B2HA and B2HB series boilers. Designed specifically for the B2Hx 160 352 model range, this electrode monitors the burner's flame via a microamp signal to the control board, ensuring the gas valve remains