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Worcester Bosch Boiler Filling Key - Both Large And Small 87161211070
IN STOCK
FROM £7.11
Worcester Bosch Boiler Filling Key – Both Large and Small 87161211070
Product Overview
The Worcester Bosch Boiler Filling Key (Large & Small) 87161211070 is a replacement boiler servicing accessory designed for use with compatible Worcester Bosch heating systems.
This filling key allows the user or engineer to access the boiler's internal filling connection, helping to refill and re-pressurise the sealed heating system when required. The kit includes both large and small filling keys, providing compatibility with different filling connections used across selected Worcester Bosch boilers.
Maintaining the correct system pressure is important for reliable boiler performance, and the correct filling key helps ensure the filling procedure can be carried out correctly.
ℹ️ Product Condition Options:
This part may be available in New or Refurbished condition. Please check the available options from the dropdown menu.
Technical Insight & Common Applications
A boiler filling key is used with compatible internal filling systems to allow water to be added to a sealed central heating circuit. This helps restore system pressure when it drops below the recommended operating level.
Typical reasons for using a replacement filling key include:
- Original filling key lost or damaged
- Difficulty accessing the boiler filling connection
- Routine boiler maintenance
- Re-pressurising the heating system after pressure loss
- Replacing a worn or broken filling accessory
This product is a servicing accessory and does not replace the boiler filling valve or filling loop assembly.
Compatibility
Manufacturer Part Number (MPN): 87161211070
This filling key is designed for selected models within the Worcester Bosch range.
Compatible appliance references include selected Worcester models such as:
- Worcester 24CDi
- Worcester 26 CDI Xtra
- Worcester 28CDi
- Worcester 35CDi II
- Worcester 15 SBI
- Worcester 24 SBI
Compatibility may vary depending on the exact boiler model and filling system fitted.
Please strictly verify the manufacturer part number 87161211070 against your boiler's technical manual, exploded parts diagram, or existing component before ordering to guarantee correct fitment.
Safety Advice
Boiler filling components are part of the sealed heating system. Always follow the manufacturer's instructions when re-pressurising a boiler. Installation or servicing of boiler components should be carried out by a suitably qualified heating engineer where required.
This part fits the following boilers:
Fits Appliance(s)
GC No.
Worcester 24CDi-BF/NG
47-311-29
Worcester 24CDi-Of/LPG
47-311-33
Worcester 24CDi-Of/NG
47-311-32
Worcester 24CDi-RSF/LPG
47-311-31
Worcester 24CDi-RSF/NG
47-311-30
Worcester 26 CDI Xtra LPG
47-311-42
Worcester 26 CDI Xtra NG
47-311-41
Worcester 28CDi-RSF/LPG
47-311-35
Worcester 28CDi-RSF/NG
47-311-34
Worcester 35CDi II
47-311-58
Worcester 15 SBI
41-311-43
Worcester 24 SBI
41-311-44
Delivery
Free next day UK delivery is available on orders over £50.
Orders placed before 3 PM are usually dispatched the same working day.
Delivery times may vary for remote areas, Highlands, islands, and non-mainland UK destinations.
If you need urgent delivery help, please contact our customer service team before placing your order.
All Orders First 30 Days:
You can return or cancel your orders for any reason at any time within 30 days of receipt. After 30 days, we reserve the right to charge a restocking fee or refuse the return.
Parts must be returned in the same condition and packaging as received, or we may deduct a percentage of the cost of the part.
A full refund or exchange will be agreed once the item(s) have been received and inspected to ensure they are unused and in their original packaging where applicable.
If the part is returned as faulty and is found to be working upon inspection, postage costs will be deducted from the refund.
Faulty Items After 30 Days:
All items come with a 1 year HTS warranty from the date of purchase. Warranty means HTS will repair or replace the item.
Refunds:
Our returns team will process your refund after we receive and check your items. Please allow up to 15 days for your refund to be processed.
The refund will be made to the original payment method used to place the order.
Contact Us:
For any queries, email us at returns@heatingtradesupplies.com or call +44 01912633708.
Customer Services
National Boiler Spares Ltd
Tyne View Terrace
Wallsend
Tyne and Wear
NE28 6SG
