This Worcester Bosch charging key assembly is compatible with Greenstar, Si/C1 Series, Greenstar ErP, Compact, i Junior Series and RD Series boilers. It is part of the unit’s filling loop. For use in central heating boilers and systems, allowing the user to manually top-up the amount of water in the system if the pressure drops. External loops are usually removable in keeping with regulations, while internal filling loops normally feature a key that can be removed to interrupt the connection after use
Delivery is free on all orders. We deliver all around the UK using DHL and Parcelforce. Standard delivery will take 1-5 working days to reach you. However, once the order is received, we will contact you to give you a more precise timescale. Usually, we will deliver the next day, subject to the date and time of when the order is received and the product.
Orders placed during the weekend will be processed the following Monday for delivery the following day. In the case of Bank Holidays, your order will be processed the next working day and delivered the following working day.
Remote areas: For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available, and delivery can take several days. Saturday delivery is unavailable for these areas.