Heat traps in hot water heater plumbing
Posted by Mark Lyons on January 04, 2003 at 22:26:31:
Do heat traps installed just outside of a hot water heater really conserve that much energy? If so, what type is better: the check valve type (nipple with ball inside) or the 360 degree loop in pipe? Do the insulating blankets (sold as a kit) that wrap around hot water heater really make that much difference in preventing heat loss?

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