APUS Natural Gas Tankless Water Heater 140,000 BTU Indoor Installation up to 6.8
APUS TANKLESS WATER HEATER. Adjust temperatures from 95°F–140°F, monitor performance, and receive alerts. BTU 140,000BTU 140,000BTU 190,000BTU 95,000 BTU . Style Natural Gas Propane Propane Propane Electric.