Hot and Cold Switch

I mixed up the hot and cold piping to the shower. I had hot connected on the right side when it is supposed to be on the left. Fortunately the supply pipes are exposed in the utility room behind the washer and dryer. Here are those pipes when they were first connected.

Hot and Cold Connections

Hot and Cold Connections

I moved the heavy set of stacked washer and dryer just enough to squeeze behind them and then work in a very small space. I had to crawl in and out a couple of times to get the right tools. The water was turned off but I had a bucket to catch the remaining water.

Bucket to catch water in pipes

Bucket to catch water in pipes

I used the small step stool to get over the gas pipe and into the back corner. The connections to hot and cold are against the back wall. I removed the insulation which was on the cold side to get to the pipe connection. It was also fortunate that there was enough pex on each side to reconnect them. Of course using shark bite connectors meant all I had to do was separate the connections and switch them.

Confined space

Confined space with pipes disconnected

The pipe to the left side of the valve was insulated so I only had to replace part of it on the pex where it was unprotected. Then I added insulation to the copper hot water pipe. I left the insulation off the cold pipe. This is the finished job that shows the space I entered to get it done.

Tight squeeze

Tight squeeze

The shower is not on the hot water loop but is piped directly from the hot water heater with original 3/4″ hot and cold copper pipes that once supplied the laundry. So the shower is on its own supply that does not wait very long to get hot. The pipes to the diverter are also insulated to keep the water running hot.

Insulated Diverter Pipes

Insulated Diverter Pipes

Now that hot is hot and cold is cold it should be a very comfortable shower.

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