- Patented Hydro-power ignition requires no electricity
- 80% thermal efficiency
- 117,000 BTU maximum input
- 5.3 gallons per minute capacity at 35F degree rise
- Endless hot water for up to 2 applications at a time
- Minimum activation flow rate of 0.6 gallons per minute
- High to low temperature control
- Vents with galvanized B vent – natural draft
- Built for durability and serviceability with 15-year warranty and 20+ year life expectancy
- Available in NG and LP models
Frequently Asked Questions 
Warranty Info
15 year limited warranty on heat exchanger; 3 year warranty if used in direct recirculating applications
15 year warranty on heat exchanger if used if recirculated through a storage tank such as the Ariston mini-tank
5 year warranty on all other parts
Installation Manual