VPA 300/450 - Boiler Nibe - Free user manual and instructions
Find the device manual for free VPA 300/450 Nibe in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | Hot Water Storage Tank (Boiler) |
| Brand | Nibe |
| Model | VPA 300/450 |
| Capacity | 300 L (VPA 300) / 450 L (VPA 450) |
| Height | 1800 mm (VPA 300) / 2000 mm (VPA 450) |
| Diameter | 600 mm (VPA 300) / 700 mm (VPA 450) |
| Weight | 110 kg (VPA 300) / 145 kg (VPA 450) |
| Material | Enameled steel with internal copper coil |
| Max Operating Pressure | 10 bar |
| Max Temperature | 95°C |
| Insulation | Polyurethane foam, 50 mm thickness |
| Standby Heat Loss (EN 12897) | ~65 W (VPA 300) / ~85 W (VPA 450) |
| Energy Efficiency Class | B (VPA 300) / C (VPA 450) |
| Connections | DHW inlet/outlet (1"), circulation (3/4"), safety valve (3/4") |
| Safety Features | Temperature and pressure relief valve, adjustable thermostat |
| Electric Heating Element | Optional, immersion heater available |
| Corrosion Protection | Sacrificial magnesium anode, replaceable |
| Maintenance | Annual inspection of anode, descaling every 2-5 years depending on water hardness |
| Warranty | 2 years (may vary by country) |
| Compatibility | Heat pumps, solar thermal systems, gas/oil boilers, district heating |
Frequently Asked Questions - VPA 300/450 Nibe
What is the difference between VPA 300 and VPA 450?
The main difference is capacity: VPA 300 holds 300 L, while VPA 450 holds 450 L. The larger model has slightly higher dimensions and weight, and a higher standby heat loss.
Can the VPA 300/450 be connected to a heat pump?
Yes, it is designed for use with heat pumps. The tank features a copper coil for efficient heat transfer from the heat pump circuit.
What is the standby heat loss of this boiler?
Standby heat loss is approximately 65 W for the VPA 300 and 85 W for the VPA 450, measured according to EN 12897.
How often should the sacrificial anode be inspected?
The magnesium anode should be inspected annually. Replace it if more than half consumed to ensure corrosion protection.
Is the VPA 300/450 suitable for solar thermal systems?
Yes, the tank can be used with solar thermal systems. An additional solar coil can be factory-installed or added later.
What is the maximum operating pressure?
The maximum operating pressure is 10 bar. A safety valve set to 10 bar is required during installation.
How should the safety valve be installed?
The safety valve must be installed on the cold water inlet pipe, without any shut-off valve between valve and tank. Install a drain pipe with downward slope.
Does the boiler come with an electric heating element?
The standard model does not include an electric heating element, but a compatible immersion heater can be added as an accessory for backup heating.
What is the expected lifespan of the VPA 300/450?
With proper maintenance (anode replacement, descaling), the tank can last 15-20 years. The enamel coating and copper coil contribute to long durability.
How to clean the boiler and remove scale?
Descaling should be done every 2-5 years depending on water hardness. Use a certified descaling agent through the drain valve, and flush thoroughly. For heavy scale, contact a professional.
User questions about VPA 300/450 Nibe
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Boiler in PDF format for free! Find your manual VPA 300/450 - Nibe and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. VPA 300/450 by Nibe.
USER MANUAL VPA 300/450 Nibe
Manual assistant
Powered by Anthropic
Waiting for your message
Product information
Brand : Nibe
Model : VPA 300/450
Category : Boiler