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 Infiniti GS and GR condensing tankless water heaters feature a stainless-steel heat exchanger. With high-temperature settings, cascade operation, common venting and an optional commercial rack system, they can be installed indoors or outdoors.
AERCO’s Innovation tankless water heaters feature the Edge Controller and the proprietary AERguard stainless steel helical firetube heat exchanger assembly which improves scale and corrosion resistance for reliability and long product life, the company says.
Navien’s NPE-2 series condensing tankless water heaters feature an EZNav upgraded advanced multi-line control panel with Setup Wizard, high efficiency up to 0.96 UEF, 2” PVC venting up to 75’, cascade capability up to 32 units and common vent capability up to 12 units.
Each year, PM Engineer editors receive thousands of product releases from industry manufacturers. The 20 products highlighted here have earned the distinction of being PM Engineer’s Top Products of 2022 based on the number of page views on pmengineer.com.
Gonzales worked with Bayside Plumbing and local Navien representatives to install a new tankless water heater system that consists of five compact Navien NPE-240A2 ultra high-efficiency condensing tankless water heaters.
On Demand Installing and maintaining traditional tank-style heat pump water heaters is a challenge due to the added complexity these systems require. This webinar will discuss the ways in which contractors can harness the benefits of tankless heat pump water heaters to their advantage and ensure positive customer feedback.