Our HWS died 2 weeks ago on a Monday morning, Richtek was the first, and only, Company I called. I was told within 2 hours, 1 1/2 hours later Luke was at my door, that same afternoon a temporary HWAS was fitted and the next day a new one was installed. 2 weeks later my kitchen tap fell to pieces, someone is coming out tomorrow to fit a new tap, and this is 2 weeks before Christmas!
I cannot recommend Richtek highly enough!