Worcester Burner Gasket WB6This is brand new Worcester burner gasket. Worcester Bosch WB6 gasket part number 87161105340. It comes with 12 months warranty included for peace of mind. Check boiler compatibility below.Worcester Bosch WB6 gasket compatibilityIt fits various Greenstar models, including:Greenstar 25i Combi ERP (47-406-60), LPG (47-406-61)Greenstar 30i Combi ERP (47-406-62), LPG (47-406-63)Greenstar i System series including 12, 15, 18, 21, and 24 i System variantsGreenstar Junior, Ri, and Si models across HE, ERP, and ERP seriesThis seal is crucial for maintaining the efficiency and safety of the boiler, as it prevents any gas or combustion by-products from leaking out. The gasket also helps regulate the airflow to ensure proper combustion, leading to optimized heat output and fuel efficiency. Over time, gaskets can wear out and may need replacement to keep the boiler running safely and effectively.Orders placed by 1:00 p.m. EST (Monday–Friday) are shipped the same day. We offer next-day delivery, excluding weekends. For Friday orders, next-day delivery is on Monday unless you select the Saturday delivery option at checkout.At Aspire Heating, your satisfaction is our priority. If your Worcester burner gasket order does not meet your expectations, you can return it within 30 days. Please read our full Return Policy for more information.