For our luxury line, we have the 931 series which can provide endless hot water for up to 4+ showers. And with its Quick-Connect system, two units can be linked together to meet the high demand of today’s luxury homes. To accommodate the higher flow rate demand, these units have a dual flame burner, a redesigned heat exchanger and 25% thicker copper piping. No other tankless water heater in its class can beat its performance, dependability, and quality. Built-in features include safety lock-out, freeze protection, and high elevation adjustment. PVC CANNOT be used for venting.
Safety lock out - Default max. 120 degrees (refer to owner's manual for higher temp)
Dual flame burner - Noritz exclusive! Minimizes temperature fluctuations.
Fully modulating - Automatically adjusts burner level accordingly.
Turbo Flow - Up to 11.1 GPM @ 35 degree temperature rise (9.3 GPM @ 45 degree rise).
Quick Connect - Doubles the output by connecting two identical heaters.
Direct ignition - No standby pilot light.
Thermal fuse - Automatic overheat protection system.
Resin coated PC board - Increases durability and protection from elements.
Automatic air regulator - Monitors internal temperature/maximizes burner efficiency.
Fully modulating - Automatically adjusts burner level accordingly.
Commercial grade heat exchanger - 25% thicker piping than our competition.