SAS
Member
After struggling to understand what was wrong with the master bath shower, I changed the cartridge on the Danze valve about 10 months ago. It worked great until two weeks ago. What has happened is that it now has very little range between full hot and not hot enough. It used to be that the "comfort zone" was about 1/4 rotation of the handle; now it is more like 1/4 inch. I contacted Danze which has provided great customer support, and they are mailing me both a new cartridge and two new check valves. Having changed the cartridge on this and other valves before, that strikes me as an easy task, but I'm a bit nervous about changing the check valves. Do you think they really need to be changed? Do the symptoms sound more like a bad check valve, a bad cartridge, or both?