To Next PageTo Next PageWhy is my Navien NCB-34LDWE space heating not working?
If your Navien Boiler's space heating isn't working, first ensure the temperature setting isn't too low. Then, confirm the system has power and isn't in standby mode by checking the power connection and pressing the Power button. Note that the heating side won't function when the unit is heating domestic hot water (DHW). Finally, inspect and clean the filters on the heating side.
How to fix not hot enough water from Navien Boiler?
If the water from your Navien Boiler's hot water tap is not hot enough, begin by checking the boiler’s temperature setting. Also, check for cross plumbing between the cold and hot water lines.
What to do if Navien NCB-34LDWE hot water is too hot?
If the water from your Navien Boiler's hot water tap is too hot, check the boiler’s temperature setting.
How to fix no water coming out of Navien NCB-34LDWE?
If no water comes out when you open the hot water tap connected to your Navien Boiler, make sure that the shut–off valves on the hot and cold pipes are open.
General| Category | Boiler |
|---|---|
| Type | Combi Boiler |
| Brand | Navien |
| Model | NCB-34LDWE |
| Fuel Type | Natural Gas / Propane |
| Max. Input (BTU/hr) | 34, 000 |
| Input (BTU/h) | 34, 000 |
| Voltage | 120 V |
| Weight | 80 lbs |
| Efficiency | 95% |
| Water Connection Size | 3/4 in. |
| Vent Type | PVC/CPVC |
| Vent Size | 2 in. / 3 in. |
| Gas Connection Size | 3/4" NPT |
| Dimensions (H x W x D) | 30.5 in. x 17.75 in. x 12.75 in. |
Descriptions of DANGER, WARNING, CAUTION symbols and general safety advice.
Covers handling flammable liquids and gas leak procedures.
Covers safe operation, flue systems, and electrical safety.
Covers hot water safety and scalding risks.
Steps for connecting the boiler to the gas supply.
Instructions for connecting power and control devices.
A list of checks to perform after installation.
Detailed configuration of various boiler operating parameters.
In-depth steps for servicing the boiler.
Steps to convert the boiler for LPG.
