751

With more power than any tankless water heater in its class, the 751 series is ideal for mid-size homes with up to 4 showers.  Built-in features include safety lock-out, freeze protection, and high elevation adjustment.

 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 9.8 GPM @ 35 degree temperature rise (7.5 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.

Commercial grade heat exchanger - 25% thicker piping than our competition.

*Energy Factor (EF) is a measurement of relative energy efficiency for a water heater; the higher the EF, the more energy efficient the water heater.

 >> Available in Natural Gas (NG) and Propane (LP) models only.

>> Temperature Settings: 100-180^oF (14 options)

>> Thermal efficiency for all models: 84%

>> Self-diagnostic onboard computer system

>> Back-up battery compatible

>> Recirculation compatible

>> Digital remote included

>> WARNING!!!  PVC cannot be used for venting.  Use only Category III (4" stainless steel venting).  N-0751M-DVC requires 3" x 5" concentric-type stainless steel venting.

 >> Accessories:

• Isolation valves (#IK-WV-4)
• Outdoor vent cap (#VC-4-1) for N-0751M model only.
• Pipe cover (#PC-2S; for N-0751M-DV use #PC-3S; for N-0751M-DVC use #PC-5S)
• Remote controller outdoor junction box (#RC-OJB)
• ScaleShield (#SS-HB-1)
• Quick-connect cable (#QC-1)
• Recess box (#RB-700) for N-0751M-OD model only.