Buy spares and replacement boiler parts for Potterton boilers from South London stockist MDS based in Sydenham. If you are in need of spare boiler parts to fix a broken boiler then contact MDS on 020 8778 2887 or call into the trade counter. Of course you can order boiler parts online if required. But if you are in the Forest Hill or Lewisham and surrounding areas then we are local to you. MDS is a long established specialist plumbing and heating company with a big stock of boiler parts and accessories. Potterton is a leading boiler brand and the parts we sell are original Potterton Baxi replacement parts with full warranties. We are happy to give advice and help along with great service so call us now or just pop in. MDS has a large customer car park and is also close to transport links.