The draft rule would raise standards for tankless gas-fired water heaters to over 91 percent efficiency, while leaving the standards for tank gas-fired water heaters relatively untouched at 70 percent efficiency.
The TTS Synergy Series tankless rack solution features a turndown ratio of 66:1 that will provide more than 1,600 gallons of hot water per hour, yet is compact enough to fit through a standard mechanical room doorway.
Bernard Beyer joins Rinnai as vice president of information technology; Sean Boyer joins as vice president of quality assurance; and Buster Kennett joins as vice president of finance.
Water heater manufacturer Rinnai America Corp. has been working for the last three years with a state department of corrections to upgrade the water heating systems in five prison facilities. This initiative, Jason Tuttle, Rinnai America’s commercial business manager for the North Central region, notes, had a goal to increase the facility’s overall efficiencies.
Navien has added a new 120,000 BTU/h model to the NPN non-condensing tankless water heater lineup. The NPN-120E is the fourth model introduction to the NPN-E (exterior) series. The new size is offered in separate natural gas and liquid propane configurations for outdoor-only operation. NPN-120E provides 4.2 GPM at 45° F temperature rise and stays in-line with the rest of the NPN series at 0.81 UEF.