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We've got a HW Cylinder, fed from a cold water tank. Off the tank and cylinder is a Salamander Dual Shower pump that feeds 2 showers.
There seems to be 2 different causes, but the symptoms are both the same. The causes could just be the same thing but in different scenarios.
Firstly, when both showers are run at the same time for a while. When the en-suite is turned off, the main bathroom one almost grinds to a halt. If I wait for a few minutes and try again, it starts spluttering, before carrying on and then stopping. I'm assuming here that turning the en-suite off while the main shower is still running causes some sort of pressure problem resulting in an airlock?
This morning I tried to combat this by have the other half using the en-suite first, and then I jump in the main shower afterwards. Same thing happened after about 5 minutes.
I've checked the hot water on the taps, and its fine so I don't think we're out of hot water. Could it be that the cold water tank has ran out of water, since it's feeding showers and the HW tank?
If this is the case, is it possible to hook up the pump directly to the mains to stop the cold water running out?
There seems to be 2 different causes, but the symptoms are both the same. The causes could just be the same thing but in different scenarios.
Firstly, when both showers are run at the same time for a while. When the en-suite is turned off, the main bathroom one almost grinds to a halt. If I wait for a few minutes and try again, it starts spluttering, before carrying on and then stopping. I'm assuming here that turning the en-suite off while the main shower is still running causes some sort of pressure problem resulting in an airlock?
This morning I tried to combat this by have the other half using the en-suite first, and then I jump in the main shower afterwards. Same thing happened after about 5 minutes.
I've checked the hot water on the taps, and its fine so I don't think we're out of hot water. Could it be that the cold water tank has ran out of water, since it's feeding showers and the HW tank?
If this is the case, is it possible to hook up the pump directly to the mains to stop the cold water running out?