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Why is my Navien NPE-240S not hot enough?
If the water from your Navien Water Heater isn't hot enough, first check the temperature setting on the unit itself. It may be set too low. Also, check for cross-plumbing between the cold and hot water lines.
Why is the water from my Navien NPE-240S not hot enough?
If the water from your Navien Water Heater isn't hot enough, first check the water heater's temperature setting. Also, check for cross plumbing between the cold and hot water lines.
What to do if the water from my Navien NPE-240S is cold?
If the water from your hot water faucet is cold or turns cold and stays cold, you can try the following: Clean the cold water inlet filter. Also, open the hot water faucet completely. If the unit displays an error code, consult the section on error codes in the manual.
Why is the water from my Navien NPE-240S Water Heater too hot?
If the water from your Navien Water Heater is too hot, check the water heater's temperature setting.
What to do if no water comes out of my Navien Water Heater?
If no water comes out when you open the hot water tap connected to your Navien Water Heater, ensure that the shut-off valves on the hot and cold pipes are open. If an error code is displayed, refer to the section on error codes in the manual.
How to fix Navien Water Heater error E016?
If your Navien Water Heater is showing error code E016, turn off the system for at least 30 minutes, and then restart it. Also, clean the cold water inlet filter and flush the heat exchanger.
How to troubleshoot Navien Water Heater error code E030?
If your Navien Water Heater displays error code E030, turn off the system for at least 30 minutes, and then restart it. Clean the cold water inlet filter and flush the heat exchanger.
How to resolve Navien NPE-240S Water Heater error code E110?
If your Navien Water Heater is showing error code E110, ensure that the exhaust pipe is free of obstructions and clean the intake air filter.
How to fix error code E012 on a Navien NPE-240S Water Heater?
If your Navien Water Heater displays error code E012, clean the intake air filter and ensure that the electrical cord is properly grounded.
General| Type | Tankless |
|---|---|
| Fuel Type | Natural Gas or Propane |
| GPM at 77°F Rise | 6.6 GPM |
| Maximum Input | 199, 900 BTU/h |
| Water Flow Rate | 11.2 GPM |
| Gas Connection | 3/4 inch NPT |
| Water Connection | 3/4 inch NPT |
| Voltage | 120V |
| Temperature Range | 98°F - 140°F |
| Venting | 2"/3" PVC, CPVC |
| Warranty | 15 years heat exchanger, 5 years parts |
| Energy Factor | 0.96 UEF |
Procedures and contact details for obtaining service for Navien water heaters.
Guidelines to prevent hazards like fire, explosion, and personal injury.
Identification of major components and their location on the water heater.
Key technical specifications including capacity, flow rate, and dimensions.
Understanding the unit's operation sequence and configuring DIP switches.
How to use the front panel for temperature, mode, and error display.
Comprehensive list of error codes and their diagnostic actions.
Step-by-step guides for replacing key internal components.
Recommended procedures for annual inspection and maintenance.
Steps for installing outdoor vent covers and choosing installation location.
Instructions for wiring and configuring the H2Air++ add-on controller.
