Keystone Water Heater
Keystone Condensing Water Heaters produce high volume hot water with high energy efficiency. These products feature a stainless steel heat exchanger with a thermal efficiency between 95 and 97%. Their compact design minimizes floor space while the cabinet provides easy access to all components. The large user friendly control interface makes set-up easy. The advanced control modulates the water heater with a 5 to 1 turndown ratio. Up to 8 water heaters can be joined in a cascade while the control features parallel modulation and water heater rotation to maximize efficiency and service life.
5 Year Limited Warranty & 1 Year Limited Parts Triangle Tube hereby warrants the Keystone Condensing Boiler &/or Keystone Condensing Water Heater when properly registered with our factory at the time of purchase (as set forth below) to be free from defects in material or workmanship. Triangle Tube will repair or, at its option, replace the component part under the conditions explained in paragraph 4 , hereof.