Matches 1 - 2 out of 2
Match Document Document Title
7270087 Heat trap  
A heat trap assembly for providing a thermal dam within piping associated with water heaters is disclosed. The heat trap includes an elongated housing, a fin and a flap member. The housing includes...
6745723 Water heater heat trap apparatus  
Convective heat traps are installed at the cold water inlet and hot water outlet of a water heater. Each heat trap has a tubular body with two axially spaced apart resilient flapper members...
Matches 1 - 2 out of 2