
Description
Vent Matika EKA NV Duct Heater
The Vent Matika EKA NV range of electric duct heaters is designed for ventilation systems, providing:
Comfort heating
Pre-heating to protect ventilation units from frost
Control System: The EKA NV model is controlled via a duct temperature sensor and a unit-mounted setpoint controller .
Why Choose BPC Ventilation?
BPC Ventilation is the largest independent MVHR specialist, offering:
Lifetime technical support
High-quality ventilation systems
Key Features – Vent Matika EKA NV Heater
Controlled via unit-mounted setpoint controller
Internal temperature regulator
Dual overheating protection
Pre-heater or post-heater functionality
Easy-to-use screw terminals
Rubber-sealed ductwork connections
Flexible mounting: Horizontal or Vertical
Stainless steel heating element
Aluzinc casing for durability
Certified: CE, RoHS & REACH
Control Options
The EKA NV model features a duct-mounted temperature sensor, controlled via the setpoint potentiometer located on the top of the heater casing.
How it Works:
Heater operation is regulated by the duct sensor
Supply air temperature is limited to +15°C…+40°C
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Overheating Protection
Built-in safety thermostats prevent overheating:
Automatic Reset: Turns off at 50°C, restarts when below 50°C
Manual Safety Reset: Turns off at 100°C – requires manual intervention
If overheating occurs, identify the cause, fix it, and press the RESET button on the heater’s cover.
Construction & Mounting
Material: Aluzinc-coated steel – high-temperature resistant
Installation:
Indoors only – away from moisture
Mounting:
- Horizontally with the electrical box facing up or sideways
- Vertically (only if airflow is upwards)
Max Output Temperature: 50°C

Installation


Dimensions

Available Models & Dimensions
These models are kept in stock, but other sizes and power outputs are available upon request. Contact our team for pricing & availability!
| Model | Diameter | Power Output | Code |
|---|---|---|---|
| EKA-NV-100-0.6 | 100mm | 0.6 kW | EKA-NV-100-0.6 |
| EKA-NV-125-1.2 | 125mm | 1.2 kW | EKA-NV-125-1.2 |
| EKA-NV-160-1.2 | 160mm | 1.2 kW | EKA-NV-160-1.2 |
| EKA-NV-160-2.4 | 160mm | 2.4 kW | EKA-NV-160-2.4 |
| EKA-NV-200-3.0 | 200mm | 3.0 kW | EKA-NV-200-3.0 |
| EKA-NV-250-3.0 | 250mm | 3.0 kW | EKA-NV-250-3.0 |
Need a custom size? Contact us for options!
Optional Accessories
Enhance the performance of your EKA NV heater with these add-ons:
PTC Airflow Sensor – Ensures heater operation only if airflow velocity ≥ 1.5m/s
PS Differential Pressure Switch – Mechanical protection to prevent heating under low airflow
PTC/PS Sensor – Combines minimum airflow detection & pressure switch for safety
PTC/K Sensor – Includes airflow detection & overheating protection contactor
2NTC Sensors – Dual sensors for accurate air temperature measurement
PTC/2NTC Sensor – Combines airflow detection & dual temperature sensors
Note: Due to airflow requirements, PTC or PS options may not be suitable for some domestic MVHR/MEV systems. Contact us for advice!
Order Now & Upgrade Your Ventilation System!
Video
Frequently Asked Questions
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What are MVHR heaters and water coils used for?
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What is the difference between an electric duct heater and a water coil?
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Can a duct heater be retrofitted to an existing MVHR system?
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Do water coils need a direct connection to a boiler or heat pump?
BPC Ventilation · Free project support
Not sure which ventilation system you need?
Send us your floor plans for a free ventilation estimate and residential layout guide. Our team will review your project and help you choose suitable MVHR or MEV equipment for your property and budget.
- Free estimate & layout guide
- Independent advice across brands
- Lifetime technical support with every system sold
Upload your drawings and project details to get started.
Free residential layout guides cover airflow requirements and unit and valve location guidance. Full ducting route planning is a separate service. Layout guides are not available for commercial projects.

