The Rinnai 17i is a highly efficient water heater with a low Nox 35kw output.
eBay
Rinnai 17CE Infinity 20L LPG Condensing Water Heater. As long as electricity, water, and gas services are connected, temperature-accurate hot water will be available whenever needed. This modulation ensures that only the necessary energy is used to heat the water, resulting in reduced energy consumption, operational costs, and carbon emissions.
eBay
Introducing the Rinnai N1600E External Lo-Nox Condensing Gas Water Heater. This state-of-the-art water heater is designed to provide you with maximum efficiency and convenience. With a turndown ratio of 13:1, this water heater is capable of providing hot water on demand without wasting energy.
eBay
The Rinnai REU-EZC-2 is an EZ Connect Cable designed to connect two Rinnai water heaters. Connects two Rinnai units. Compatible with various Rinnai tankless models. Technical Specifications. MPN : REU-EZC-2.
eBay
Rinnai 11i Low NOx 24kw Multi Point Internal LPG Gas Water Heater.
eBay