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.
4. Install an anti-sweat valve in the toilet supply line to warm the water in the tank. The valve does this by mixing hot and cold water. To install one, trace the toilet supply pipe to a place where it runs near a hot water pipe supplying a sink, shower or bathtub. Turn off the water to both pipes.