I hooked this up to the main cold water line in my fifth wheel so I don't have to use the water pump as often when I travel. No more turning on the pump to go to the bathroom in the middle of the night. I can even take a long shower without leaving the pump on. So calm! The pump itself is still noisy when the system is pressurized and the pump will run longer to build up pressure, but after that you can turn the pump off until you need more pressure.
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