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Ok-Apricot-3156 t1_j6n1e0f wrote

Use tube isolation and put tonzon foil around it, never insulate cold water pipes as it increases the risk of legionella

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UEmd OP t1_j6n3297 wrote

That's why- I see this rec everywhere but no one ever mentions it's due to Legionella.

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Bott t1_j6n4vj0 wrote

Do you mean don't insulate the cold water pipes in your home, or don't insulate the cold water pipe going into the water heater?

I found that the cold water pipe (about 1 or 2 feet of it) going into the water heater was warm, and I insulated that. Should I remove that 1 or 2 feet of insulation?

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