Treato found 16 discussions about Cold Symptoms and Cats Allergy on the web.
Best Answer: When the toilet is flushed, the toilet is robbing pressure from the shower, which is usually close to the toilet. As the COLD water pressure goes down from the toilet flush, the HOT water pressure is higher, therefore the water gets hotter as the COLD pressure goes down.
So if your taking a shower and some one flushes a toilet, or the washing machins kicks in, your shower valve will sense that and cut down your cold or hot side to keep the same temp. You may lose presaser but your temp will say the same. But the pressure balancer can go bad and affect your water flow.o if your taking a shower and some one flushes a toilet, or the washing machins kicks in, your shower valve will sense that and cut down your cold or hot side to keep the same temp. You may lose presaser but your temp will say the same. But the pressure balancer can go bad and affect your water flow.