Viessmann Ignition Cable 5K Ohm For Vitodens 100 W B1Ha/B1Ka Series Boilers. Compatible with Vitodens 100-W B1HA 26/35 and B1KA 35 Series Residential Wall-Mounted Gas-Fired Condensing Boilers Any adjustments installations service or maintenance must be completed by a licensed professional heating contractor who is qualified to work with hot water boilers Check with manufacturer before ordering replacement parts to ensure a proper fit Give the manufacturer the 16-digit boiler serial number or the 12-digit ASME/NB serial number Package Contents: Viessmann 7844988 Ignition Cable 5K Ohm For Vitodens 100 W B1Ha/B1Ka Series Boilers Viessmann 7844988: Ignition Cable 5K Ohm For Vitodens 100 W B1Ha/B1Ka Series Boilers