Water heater runs, but no hot water
This is a problem I fixed but thought it would be useful to mention it in case someone else had this problem. The gas water heater ran and the water seemed to get hot. However, when I ran the hot faucets (sink, shower), only cold water came out with an occasional hint of warm water.
Long story short, it was the outside shower head fixture. I had both shower faucets turned on for winterizing, but didn't turn them off (the water didn't run because the shower head has a valve). So, the hot and cold water lines were linked through the mixer valve, which resulted in a bypass of the hot water heater - when I turned on the hot faucet in the sink, the cold water ran through this mixer into the hot line.
It took me a lot of frustrating time to find this.
Long story short, it was the outside shower head fixture. I had both shower faucets turned on for winterizing, but didn't turn them off (the water didn't run because the shower head has a valve). So, the hot and cold water lines were linked through the mixer valve, which resulted in a bypass of the hot water heater - when I turned on the hot faucet in the sink, the cold water ran through this mixer into the hot line.
It took me a lot of frustrating time to find this.
