Orcon HRC 300 / 400 / 500 Ecomax / MaxComfort filter set - 2 pieces | G4 | 185×560×23 mm | HQ-Filters House Brand | ISO Coarse 70% | Compatible with 22700009
HQ-Filters house brand filter set for Orcon HRC 300 / 400 / 500 Ecomax and MaxComfort. 2 synthetic G4 filters, 185×560×23 mm. ISO Coarse 70%.
Read the full product description
This Orcon EcoMax/MaxComfort filter set is suitable for HRC 300, HRC 400 and HRC 500. The set traps dust and pollen and helps your heat recovery unit run quietly and efficiently. Often searched for as Orcon heat recovery filter or Orcon filter.
Summary & suitable for
- Filter class: G4 – EN779:2012
- ISO classification: ISO Coarse 65%
- Dimensions: 185 × 560 × 23 mm
- Contents: 2 coarse filters
- Material: synthetic fibre
- OEM reference set: 22700009
- Match drain filter (G4): 29191354 (also known as Orcon G4 Coarse 65 29191354)
Suitable for & search terms
- Series: Orcon HRC 300/400/500 EcoMax/MaxComfort – fits the product line of these devices.
- Often found as: orcon hrc 300 ecomax filters and orcon hrc 400 ecomax filters.
- Check: compare the size and set contents with the label in your unit before ordering.
Why this set?
- Good protection of the heat exchanger; coarser dust remains in the filter.
- Stable airflow for quiet and energy-efficient operation.
- Easy installation thanks to the flat design and correct dimensions.
Select filter class (ISO 16890)
- ISO Coarse: basic protection and long service life as a pre-filter.
- ePM10: extra reduction of pollen and coarser particulate matter.
- ePM2.5 / ePM1: choose higher for allergies or more fine dust in the environment.
Are you unsure about which class to choose, or would you like to compare EN 779 and ISO 16890? Read our explanation of filter classes with clear examples.
Replacement & maintenance
- Replace every 6 months on average (twice a year). In case of renovation, pets or a lot of dust: sooner.
- Signs that it needs replacing: less air, more noise or a noticeable odour.
- Do not wash: water or cleaning agents damage the fibres; replacing them in good time works better.
Ordering & delivery
- Availabledirectly from stock; orders can be placed on this product page.
- Terms and conditions (such as minimum order of 50) are displayed during checkout.
- More models in this series? View the EcoMax/MaxComfort category.
Quick installation tips
- Switch off the unit and open the cover.
- Remove the old set and clean the compartment.
- Place the new filters flat in the compartment (note the arrow for airflow).
- Close the cover and switch on the unit; reset any message via the control panel (see manual).
Frequently asked questions
Does this set fit both HRC 300 and HRC 400/500?
Yes, this product line is made for HRC 300/400/500 EcoMax/MaxComfort. Please check the size and set contents of your device.
Does this set fall under 22700009 or 29191354?
The filter set is often linked to 22700009. For the exhaust filter in the same class, 29191354 is used. Check the type plate or manual to be sure.
Which class should I choose for fine dust or allergies?
Choose ePM2.5 or ePM1 for extra reduction. For basic protection, ISO Coarse or ePM10 is sufficient.
