Arrived at customers house Started to perform work proposed Shut off water to the house Drained water to the house Removed old moen shower cartridges Would recommend that next time shower cartridge is needing to be replaced that the valve gets replaced as well in the upstairs guest bathroom Replaced both showers with new Moen 119922 shower cartridges Turned water on to the house Checked for leaks No leaks present Cleaned up work area Checked for leaks No leaks present Reinstalled shower trim Applied clear caulking around shower trim Thank you for choosing CPI Plumbing and Heating