For this job, the customer had a couple different complaints. The one of the main complaints is the bathroom in the guest hallway doesn’t get super hot so I took out my thermometer to test the water temperature. His water heater is set to be which is indicating 130° however we weren’t getting 130° out of the faucet so we got 110 out of the faucet so I knew that there was a problem with the shower cartridge and potentially the recirculation pump, we have replaced the water heater this year, but we didn’t replace the recirculation pump with it so what I recommended is we go ahead and replace the recirculation pump along with the new check valve Following that a new cartridge as . Once those two items were complete. There are no leaks on the Delta cartridge. There was a slight leak from the bonnet nut because the bonnet nut wasn’t completely tightened. So once I got everything tightened tested turn on the water there’s no leak and was reading the correct temperature now Addition to that w