The burner is the primary heat method for all combustable heating appliances. In natural gas appliances, the gas is sent through the gas valve and then ignited once it reaches the burner. The heat produced is then used to heat the water in the main heat exchanger.
Supplier Part Number: 242 492
Fits the Baxi 100 HE and 100/2 HE Plus Iss 02
Fits the potterton Promax 15 HE, 24 HE and HE System