| Combination boilers are designed to be used on sealed systems that is they have an expansion vessel built in. But if fitting one onto a system with old radiators then it is sometimes advisable to fit an expansion tank so the extra pressure can not damage the radiators or valves. | |
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Company Registration:
4261333 - Corgi Registration: 171871 - VAT Registration No: 700883645 Unit 10, Lambourne Crescent, Cardiff Business Park, Llanishen. Cardiff. CF14 5GG Telephone: 0845 2600 321 - Fax: 0845 2600 322 |
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