First make sure the heater is ok as if that is shorting then it could cause these problems. If the heater is ok, then we stock this timer switch at £39.90+vat plus postage of £5+vat. If it does not sort the problem, you can return it for a refund, less our handling charge of £9+vat. Go to our site at www.emwelec.co.uk and put W100FW in the search box or call us on 0115 9652118
EMW, May 2011