Estimated reading time: 2 minutes, 12 seconds

Estimated reading time: 2 minutes, 12 seconds

Delta Shower Valve Not Getting Hot Enough

By March 18, 2019 Plumbing, Problem Solving

Estimated reading time: 2 minutes, 12 seconds

I had 2 new Delta Shower Valves installed by my plumber and the darn things would to get hot enough. Yes there was plenty of hot water available in nearby faucets. The plumber told my client that there must be something wrong with the valve. On his return they told the client they had to put a part in backwards and that it was as good as it was going to get.

Well my friends, that is not good enough for me. The plumber was fired for being an idiot. I attacked the problem knowing that there was a solution and that I am not giving up until I figure it out.

I first called the Delta rep and asked his opinion. He said “it is a common problem because the plumbers put the rough in valve upside down (not paying attention) and are shocked when they put the guts of the valve in that the valve is screwed up”.

My Arrival

No one likes to take a lukewarm shower. Upon arriving I noticed that the temperature setting portion of the valve was in line with the on off part. This is not how it was supposed to look.

Upon further investigation I took the cap off and saw that the anti scald ring was in correctly, however the temperature regulating dial was 180 degrees off. I figured this out because the dial was in line with the on off ring when it should have been between 10 and 2 not at 5 (if you are looking at a clock face) (10 being hot, and 2 being cold).

The Fix

I will admit it took a few tries to get it right. First I shut the water off to the home and loosened the ring to allow me to rotate the guts of the valve 180Degrees. then tightened it solving the primary problem. Next, I got the temperature handle on correctly so that it wags left for hotter and tight for colder and but the assembly back together making sure that the anti scald gears were where I felt it was safe. Ta Da! I got to be the hero again.

Follow Up

This is not the first time we have had issues with Delta valves. Most commonly a piece is left out of the rough-in valve that would normally stop mixing of the hot and cold. In this case the symptom is lukewarm water in the entire home. Familiarity with the valve is essential, for men especially, reading instructions is considered failure so naturally is not part of the process. The Delta Rep and I texted each other high fives and we called it a day.

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