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Never seen this before, the Cold water is connected to the hot water for the output of my water heater. Any idea what this is?enter image description here enter image description here

Never seen this before, the Cold water is connected to the hot water for the output of my water heater. Any idea what this is?enter image description here

Never seen this before, the Cold water is connected to the hot water for the output of my water heater. Any idea what this is? enter image description here

1
source | link

My hot and cold water are connected in the output of my water heater

Never seen this before, the Cold water is connected to the hot water for the output of my water heater. Any idea what this is?enter image description here