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jasonb7368
my alpha boiler cd24c is not giving hot water. boiler fires up fan runs boiler ignites 10seconds goes out, a flashes b continously lit alpha book says dhw temp sensor have replaced both, new hosreshoe switch complete new divertor/diapragm heating works fine still the same soon as i run for hot water on both settings boiler cuts out pump working pressure starts fine then soon jumps up rapidly cutting boiler out would appreciate any help dont like gettig ripped off by repair man i'm very competant have always done it myself running out of options stumped