Noritz 751 Tankless Water Heaters
With more power than any tankless water heater in its class, the NR98 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. PVC CANNOT be used for venting.
These units offer several innovations:
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.
|MODEL||INSTALLATION||WARRANTY||ENERGY FACTOR (EF)*|
|Natural Gas (NG)||Propane (LP)|
|NR98-SV||Indoor/Outdoor||12yr/5yr parts/1yr labor||0.83||0.83|
|NR98-OD||Outdoor||12yr/5yr parts/1yr labor||0.82||0.86|
|NR98-DVC||Indoor||12yr/5yr parts/1yr labor||0.82||0.84|
*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: 100-180oF (14 options)
>> Thermal efficiency for all models: 84%
>> Self-diagnostic onboard computer system
>> Back-up battery compatible
>> Recirculation compatible
>> Digital remote included
>> QUALIFIES FOR UP TO $300 TAX CREDIT (2011 residential install only)
>> WARNING!!! PVC cannot be used for venting. Use only Category III (4" stainless steel venting).
NR98-DVC requires 3" x 5" concentric-type stainless steel venting.
- Isolation valves (#IK-WV-7-TH or #IK-WV-7-SW)
- Outdoor vent cap (#VC-4-1) for NR98-SV model only.
- Pipe cover (#PC-2S; for NR98-DV use #PC-3S; for NR98-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 NR98-OD model only.
- H2FLOW Anti-Scale System (#H2F)