CAMPLUX buying tankless water heater

Product Name: CAMPLUX buying tankless water heater
The Camplux 26 liter tankless water heater is the largest outdoor model,rated at an impressive 6.86 GPM and 180,000 BTU per hour,support 3 simultaneous applications in winter. The tankless gas water heater comes with low nitrogen balanced combustion design, v-type stainless steel burner,high heating efficiency up to 89.98 %. The water heater uniform energy efficiency range 0.89-0.92. The water heater comes with constant temperature function, which can help you experience clean, reliable hot water at a consistent pre-set temperature. With an outdoor installation, no addtional vent pipe needs to be purchased. The startup water flow 0.79 gallons per minute. The operating gas pressure is 1.5-2.6kPa/0.22-0.38 psi. The tankless water heater equipped with anti-scalding function.Therefore, it is impossible to set a temperature exceeding 122 ℉ under normal working conditions. buying **THIS IS NWOB** Has some cosmetic flaws because of being in storage. Nothing major (see pics) Retails for $699.99.