Hi,
I'm now having an issue with our rain water tank wet system.
I just noticed there was water coming out from the white dwv cap next to my rain water tank. I tried to unscrew it and found out the water pressure was quite high underneath. I have attached a picture for the 100mm dwv cap.
Just wondering if it's normal? Is the water pressure from the charged downpipe system to force water into the tank? Which means I'll just need to buy a new dwv cap fitting to seal it and stop the leak.
Or do I have a clogged outflow pipe and need a plumber to fix it?
Many thanks
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