Series 0931

Noritz 931 Tankless Water Heater
0931 Series Residential Tankless Water Heater
PRODUCT INFORMATION:

 

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. 

 

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 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.

 

MODEL INSTALLATION WARRANTY ENERGY FACTOR (EF)
Natural Gas (NG) Propane (LP)
N-0931M Indoor/Outdoor 12yr/5yr parts/1yr labor NA* NA*
N-0931M-DV Indoor 12yr/5yr parts/1yr labor NA* NA*
N-0931M-OD Outdoor 12yr/5yr parts/1yr labor NA* NA*

*The US Department of Energy considers any water heater that is 200,000 BTU/h or greater to be a “commercial” water heater, and therefore does not allow such products to be rated with an Energy Factor, which is based on residential usage.

 

>> 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

>> Battery back-up compatible

>> Recirculation compatible

>> Digital remote included

>> WARNING!!!  PVC cannot be used for venting.  Use only Category III (4" stainless steel venting).