To release air that cause water hammer
Blow off valve faulty or expansion tank needed at water heater.
next to the blow off switch
A splitter valve has a blow off valve sound but it redirects the airflow. It combines the features of a diverter valve and blow off in one housing.
It already has a blow off valve on it, and a rather good one.
No, without a turbo, there is no blow off valve. However, if you really wanted to, they have fake blow off valves for sale. These mimic the sound of a blow off valve. It would be an absolute waste of money, but hey, it's your money.
Blow-Off Valve
yes
It doesn't
eBay
the hot water valve shut off valve shuts off the hot water. The cold water valve shuts off the cold water. ;()
It needs a vacume line or your pipeing is blown. Or you dont have enough psi to make it work how you want.
Very often, the water line for the refrigerator comes from a saddle valve. This is a valve that is clamped on a water line and makes a small hole in it. Depending on the quality of your water supply, minerals in the water can collect in the hole and reduce the amount getting through. Sometines you can screw the tap back in on the valve and clear the line or with the water shut off, take the saddle valve off, drill a slightly larger hole in the pipe and re install the valve over the hole.