GSW Water Heater

GSWT 540H DV Tankless Water Heater

GSW powered by Takagi offers tankless products to match the needs of today’s average household. State-of-the-art residential tankless water heaters, including a condensing model, are all ENERGY STAR® qualified and provide an Energy Factor (EF) up to 0.95. GSW powered by Takagi is your solution for endless hot water.


Product Features


- Condensing technology

- Unprecedented 0.95 Energy Factor

- Durable Heat Exchanger: Uses HRS35 copper f or primary heat exchanger and Stainless Steel #316L for secondary heat exchanger

- Approved with ULC s636 P VC or CPVC or polypropylene venting in addition to Cat. IV Stainless Steel

- Vent with 3” (up to 70 feet) or 4” (up to 100 feet)

- 0”Clearance to combustibles

- Integrated control and diagnostics

- Air Fuel Ratio (AFR) Sensor

- Factory-installed power cord

- Dual internal freeze-protection system

- High altitude installations (up to 10,000 ft.)