MAG NL 135/11 O-DG - Chauffe-eau et chaudière VAILLANT - Free user manual and instructions

Product Type	Gas water heater and boiler
Brand	Vaillant
Model	MAG NL 135/11 O-DG
Energy Source	Natural gas / LPG
Nominal Power Output	11 kW
Water Capacity	135 liters
Max. Hot Water Flow Rate	11 L/min (approx.)
Dimensions (H x W x D)	800 x 400 x 400 mm (approx.)
Weight	30 kg (approx.)
Power Supply	220-240 V / 50 Hz
Ignition	Electronic piezo ignition
Temperature Control	Thermostatic gas valve, adjustable
Safety Features	Flame failure device, overheat protection, gas safety valve
Installation Type	Wall-mounted, indoor use
Flue Type	Room sealed (balanced flue) or conventional flue
Maintenance	Annual service recommended; clean burner and heat exchanger
Spare Parts Availability	Common parts available via Vaillant service network
Repairability	Modular design for easy component replacement
Warranty	2 years (standard)
Country of Origin	Germany

Frequently Asked Questions - MAG NL 135/11 O-DG VAILLANT

What gas types can the Vaillant MAG NL 135/11 O-DG use?

The unit is designed for natural gas (G20) and can be converted to LPG (G30/G31) using a conversion kit.

How do I adjust the water temperature?

Turn the thermostatic knob on the front panel to the desired temperature. For precise setting, consult the manual.

What does 'MAG NL 135/11' mean?

MAG stands for gas water heater, NL likely indicates a specific series, 135 is the water capacity in liters, and 11 is the nominal power in kW.

How often should I service this water heater?

An annual service by a qualified technician is recommended to ensure safety and efficiency.

Can I install it myself?

Installation must be carried out by a licensed professional to comply with local regulations and warranty conditions.

What does the safety valve do?

The overheat protection and flame failure device automatically shut off the gas supply if the flame goes out or the water overheats.

What are the dimensions of this model?

Typical dimensions are approximately 800 x 400 x 400 mm (height x width x depth). Check the manual for exact figures.

How do I convert from natural gas to LPG?

Conversion requires a specific kit and must be performed by a qualified technician. The burner nozzles and gas valve settings need adjustment.

Why is my pilot light not staying on?

Possible causes: thermocouple fault, draft, or gas supply issue. Clean the thermocouple or call a technician.

Where can I find spare parts?

Authorized Vaillant dealers and service centers stock genuine spare parts. You can also order via the Vaillant website.

USER MANUAL MAG NL 135/11 O-DG VAILLANT

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