Answer Mark, No, not really, the fill valve is the part that allows the water into the washer. The temperature switch is the part that determines the water temperature(in your case, the control assembly WH12X10169 ). You may want to check and clean the sediment from the screened hose washer and the filter screens in the opening of the fill valve, first. Good Luck and Thanks Read More... Answered by AppliancePartsPros.com | Friday, September 9, 2011