The Landis & Gyr photocell is the primary heat method for all combustible appliances. In natural gas appliances, the gas is pushed through the gas valve and into the burner, where it is ignited. The heat produced by the burner is then used to heat the water in the boiler.
Fits a number of appliances
Technical specification
TypePhotocellManufacturer Model NoC31014NBrand NameLandis & Gyr