Viessmann 7819628 Ionisation Electrode R-407A allowing internal components to remain

allowing internal components to remain cool during continuous operation by leveraging the primary airstream

Can I install a shutoff valve downstream of this unit

Its full port body design provides maximum flow capacity with a tight ANSI/FCI 70-2 Class IV shutoff rating

This power element is rated for an application temperature range of -20°F to +50°F

making it a critical component for maintaining head pressure and heat exchange efficiency in commercial HVACR systems

Viessmann 7819628 Ionisation Electrode R-407A allowing internal components to remainThe Viessmann 7819628 Ionisation Electrode is a critical flame sensing component designed for Vitodens 200 series wall mounted gas fired condensing boilers, specifically the WB2 and WB2A series. Operating on the principle of flame rectification, this electrode passes a microamp signal through the flame to the burner control unit. If the ionization current is not detected, the system immediately terminates the gas supply to prevent hazardous unburnt