Re: Heat Trap Nipples
Posted by e-plumber on December 29, 2003 at 13:14:27:
In response to Re: Heat Trap Nipples
: What are heat trap nipples in relation to water heaters? What is the material? How do they make them more energy efficient?

Heat trap nipples have a baffle inside them that reduce convection heat loss. Some have balls in them that float to prevent heat loss when the WH is idol. The nipples also act as a dielectric union between dissimilar metals.
Good Luck & Happy New Year. e-plumber

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