The Viessmann 7819628 Ionisation Electrode is a critical flame-sensing component designed for Vitodens 200 series wall-mounted gas-fired condensing boilers

This OEM high pressure control is compatible with all common non-corrosive refrigerants

providing a cost-effective alternative to full valve replacement in demanding steam or chilled water environments

Optimized Steam Control: Provides precise seating for thermostatic expansion elements to eliminate steam blow-through

Heil Quaker ICP 1171420 Pulley Els PW 29614 The Viessmann 7819628 Ionisation ElectrodeThe Heil Quaker ICP 1171420 Pulley is a critical drive component engineered for precision and long term reliability in commercial and residential HVAC systems. Designed with a 5 8 inch bore and a 4. 25 inch diameter, this steel pulley ensures optimal torque transfer and belt alignment for blower motors and air handlers. As a genuine ICP replacement part, it is fully compatible with a wide range of brands under the International Comfort Products