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Expansion Vessel Repair Kit (Kit 3) - 5113000,248772,5114691,181051,87161425000
IN STOCK
FROM £9.01
Expansion Vessel Repair Kit (Kit 3) 5113000, 248772, 5114691, 181051, 87161425000
Product Overview
The Expansion Vessel Repair Kit (Kit 3) is a servicing kit designed to assist with the maintenance and repair of compatible boiler expansion vessel systems.
This kit contains replacement valve components used to restore the function of an expansion vessel by replacing worn or damaged service parts. Expansion vessels are an important part of sealed heating systems, helping to absorb water expansion as the system heats up and maintaining stable operating pressure.
The repair kit provides a cost-effective alternative to replacing the complete expansion vessel where compatible service components are required.
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 Failure Symptoms
An expansion vessel uses an internal diaphragm and air charge to manage pressure changes within a sealed heating system. Over time, the valve components may become worn, damaged, or require replacement during servicing.
Typical symptoms linked to expansion vessel valve problems include:
- Loss of correct expansion vessel pressure
- Difficulty maintaining stable boiler pressure
- Frequent need to repressurise the heating system
- Pressure fluctuations during heating operation
- Expansion vessel servicing or maintenance requirements
- Water pressure-related boiler issues
Replacing worn valve components may help restore correct expansion vessel operation and improve system reliability.
Kit Contents
The kit includes components designed for expansion vessel servicing, including:
- Valve cores
- Valve removal tool
- Valve extension components
Please refer to the product images for the exact contents supplied.
Compatibility
This repair kit is designed for use with compatible boiler expansion vessel systems across selected heating ranges.
Please strictly verify the part numbers against your boiler's technical manual, exploded parts diagram, or existing expansion vessel components before ordering to guarantee compatibility.
Safety Advice
Boiler pressure components require correct installation and testing. Servicing of expansion vessels and heating systems should be carried out by a suitably qualified heating engineer in accordance with current safety regulations and manufacturer instructions.
Compatibility data not available for this product.
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