Takagi. Designed with installers in mind, the T-H2 condensing tankless water heater can be vented with 4-inch PVC pipes instead of stainless steel, allowing for more installation flexibility and reduced costs. A front-panel LED screen built into the computer board displays temperature settings and codes for easy maintenance and troubleshooting. Offering a thermal efficiency of 92%, the T-H2 is eligible for a 30% tax credit up to $1,500. The unit has a low activating flow rate of 0.5 gallons per minute (gpm), and a maximum of 9 gpm. Up to 4 T-H2s can be linked together for large applications. Ideal for heavy residential water heating; space heating; radiant floor heating; and indirect, recirculation, or combination heating systems. 866.356.9190. www.takagi.com.