The Johnson and Starley flue cap part is located around the flue section. The flue is an outlet which allows the safe expulsion of steam and toxic gases resulting from the boiler's normal operation. There are different models of flue which are dependent on the location of the appliances in the building and what type of unit is present.
Fits multiple appliances
Technical specification
Supplier Part NumberJK32/003Brand NameJohnson & StarleyStandards MetN