This property owner tried many times to get their hot water system problem solved. Nu-Trend finally found the answer

Summary

After trying 5 different plumbers this property owner was happy to have a working hot water system

Nu-Trend Sydney Plumber Rinnai Hot Water System Repair For Swing Check Valve to Prevent loss of hot water, back charge, cross connection prevent dead legs

Our Client called us out to try and sort out a hot water system repair. They were having all kinds of hot water issues in their property. A number of years ago they were experiencing mixed hot and cold water, when she would only turn on the cold water tap. Hot water water would be coming out of the cold tap.

 

 

  • She had called a plumber and they tried to fix it, but the plumbing issue persisted returning within a few days.
 
 
 
  • She tried 4 other plumbers and has been experiencing the same hot and cold water issue with the hot water system for years now. 
 
 

 

The property was a mansion that had a commercial grade plumbing set up similar to a large city building. It had a plant room with commercial grade plumbing that had hot water circulating pump systems. This made isolating any issues even more difficult than normal. There could be all kinds of pipes or things installed in rooms or hidden wall valves with pumps etc.

 

 

On inspection we found a Spring Check Valve installed but it should have been a Swing Check Valve. The  Swing Check Valve had been replaced, so the property owner and every other plumber assumed it wasn’t the issue,  but, this type of valve is actually not designed for commercial hot water set ups and was obviously failing due to the mechanical set up of the valve. The return line always stays hot for instant hot water hence it causes the springs to fail in a Spring Check Valve. It’s actually a Legal requirement to install the right valve, it’s not necessarily a dodgy plumbing job, but it’s just a job that should have been done with a little bit more knowledge and care. This is why it is so important to choose an experienced plumber like Nu-Trend

 

 

So in this instance a Swing Check Valve needs to be installed and needed to prevent the loss of hot water, back charge and the cross connection prevents dead legs. What was happening with the use of the wrong valve was that the hot water was back charging through the cold water line of the house.
 

 

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Rick Karagiannis - Plumber & Bathroom Renovator

Rick Karagiannis - Plumber & Bathroom Renovator

Rick Karagiannis is a licensed Plumber, Building Renovator and Director of Nu-Trend, a Sydney Plumber and Bathroom Renovations contractor. Nu-Trend has been operating since 2009 as an independent sole trader in Sydney. Rick provides all types of services for small bathroom renovations, leaking tap repairs, hot water high-pressure jet blasting and more.