This part uses the following part numbers: Bosch - 87186446380 Buderus - 87186446380 The spare part is compatible with the following boilers: Bosch Gaz 2000 W WBN2000-12C Buderus Logamax U072-12 Bosch Gaz 2000 W WBN2000-18C Bosch Gaz 6000 W WBN6000-12C Bosch Gaz 6000 W WBN6000-18C Bosch Gaz 6000 W WBN6000-18H Buderus Logamax U072-18 Buderus Logamax U072-18K
