Hot Water Fault turns into a site Leak Detection

Hi everybody, it’s Richard at Plumbdog, so I’ve just come out to a property where the customers just brought me around the back of the house. He’s showing me his hot water system and he’s asked me to come out here and service it. He seems to think it’s working quite hard, he can hear sort of water travelling through and he sort of thinks his water bills are a bit higher than usual.

Before I get started, if the water bills are quite high and you can hear running water this will point in me towards the fact that there might be a bit of a water leak instead of an actual system fault.

I’m going to go out to the front of the property and just going to check if we’re losing any water there. At the water meter, I’m just going to perform a five-minute test and see if it’s moving at all. If the needle moves, there’s a water leak. Every full circle, every time it goes around 360 degrees that’s one litre.

It’s not moving much but it’s definitely moving. You can see that needle is moving – it’s just moving really slowly. If you blink, you’d miss it. This is the reason we do tests over five minutes.

I’m going to a see if I can figure out where that leak might be. I’ll isolate the hot water system first and see if it’s on the hotline or the cold line. I have retested as I’ve isolated the water cold feed into the hot water system to see if it made any difference and it didn’t. That means is that there is a small water leak but it’s on the cold line not the hotline.

This would mean that the job has now transitioned from hot water servicing to leak detection, which are two totally different specialized services of ours. Have a look at the video to determine the next steps utilised to resolve the leak.

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