What to do if Vaillant ecoTEC plus 937 heating system is not filled with water?
Ensure the heating system of your Vaillant Boiler is filled with water and maintains a pressure between 1.0 and 1.5 mbar. If necessary, top up the system and bleed it.
General| Model | ecoTEC plus 937 |
|---|---|
| Category | Boiler |
| Type | Combination |
| Output | 37 kW |
| Dimensions | 720x440x338 mm |
| Mounting | Wall-mounted |
| ERP Efficiency Rating | A |
| Fuel Type | Natural Gas |
| Flow Rate | 15.2 l/min |
| Hot Water Flow Rate | 15.2 l/min at 35°C temperature rise |
| Gas Type | Natural Gas |
| Warranty | 5 years |
| Efficiency | 94% |
| DHW Output | 4.0 - 37.0 kW |
Installation, service, and repair must be done by a competent person. Ensure ventilation is not obstructed.
Steps to take if gas is smelled, including shutting off supply and evacuating.
General warnings regarding flammable substances, poisoning, and tampering with safety devices.
Prohibits alterations to the boiler, gas/water/power supply, flue system, or safety valve.
Emphasizes installation and servicing by a Competent Person according to regulations.
Details how to check and set the heating system filling pressure using the manometer.
Instructions for switching the appliance on and off using the main switch.
Guides on adjusting the hot water temperature using the rotary knob.
Explains the warmstart function for immediate hot water and how to activate/deactivate it.
Guides users to check basic issues before calling a technician.
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