The T-H3S-DV/OS is ideal for residential applications, more resilient against erosion the primary heat exchanger is constructed of HRS35 Commercial-Grade copper. In addition to the added durability, the T-H3S-DV/OS is ENERGY STARĀ® qualified.
The T-H3S-DV/OS is ideal for residential applications, more resilient against erosion the primary heat exchanger is constructed of HRS35 Commercial-Grade copper. In addition to the added durability, the T-H3S-DV/OS is ENERGY STARĀ® qualified.