Manual Filling Key for Micra and Master Condens 26-32 – Ref. HE013002578
It is the manual filling valve of the boiler: it allows you to refill the circuit with water and restore the operating pressure when it has dropped. The body is made of brass with a knurled gray cap. It is operated by hand and closed after refilling. It is replaced when it leaks, does not close properly, or the cap has seized.
VAT included
Consult via WhatsAppHermann boilers compatible with reference HE013002578
Filling key with reference HE013002578. Eight confirmed compatibilities: Renova Micra and Micra 23 SE.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Hermann Renova Micra | Renova / Micra | Contrasted |
| Hermann Micra 23 SE | Renova / Micra | Contrasted |
| Hermann Micra 23 E | Renova / Micra | Contrasted |
| Hermann Micra 24 SE | Renova / Micra | Contrasted |
| Hermann Micra 24 E | Renova / Micra | Contrasted |
| Hermann Supermicra 30 SE | Supermicra | Contrasted |
| Hermann Supermicra Ecoplus 24 SE | Supermicra | Contrasted |
| Hermann Micra Condens 26 | Micra Condens | Contrasted |
Can't see your model or have questions? The printed reference takes precedence. How to check it · Send us a photo via WhatsApp.
How to check if ref. HE013002578 is the part for your boiler
What determines it is not the boiler model, but the reference printed on the part you already have installed.
- Find the reference printed on the installed part and check whether it matches the catalogue reference HE013002578. If it is not visible, do not identify the part from its shape alone.
- Check the full boiler model on its data plate and look for it in the model associations on this page.
- Compare the connections and physical body with the original part before installation.
- If anything is unclear, send us a photo of the marking via WhatsApp before placing your order.
Symptoms and faults that the filling valve HE013002578 resolves.
The filling valve allows water to refill the heating circuit. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
Water leaks from the body or the cap while filling the circuit.
Cause: The cap seal gasket is dry or worn and does not seal properly when opening the valve to refill.
Close the cap tightly after filling and check if the dripping occurs only during filling or also when the tap is closed.
- 02
The boiler loses pressure and the circuit needs to be refilled frequently.
Cause: This valve only operates when opened manually, so a constant pressure drop is usually due to a leak in the circuit, not from the valve at rest.
Record the pressure right after refilling and check if it drops in a few days without touching anything; if so, find the leak before replacing the valve.
- 03
The knurled cap has seized up and is very difficult to turn.
Cause: The limescale deposited in the internal mechanism blocks the rotation when the key is not used for a long time.
Try to carefully turn it without forcing it; if it doesn't give, don't use pliers because the knurled cap can round off or break.
- 04
After filling and closing, the valve doesn't close completely and water keeps coming in.
Cause: The internal seat does not fit properly, usually due to wear or trapped dirt in the closure.
Close the cap tightly by turning it to the end of its travel and check if the water flow stops before replacing the part.
These symptoms can have more than one cause. If your boiler displays a fault code, send it to us via WhatsApp along with a photo of the labeling, and we'll tell you if this is the part.
Filling key data Hermann HE013002578
- Catalogue reference
- HE013002578
- Brand
- Hermann
- Type of part
- Filling valves
- Units in stock
- 5 units
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- 1-2 business days
- Return
- 14 days
Data read on the part and in the manufacturer's documentation
What we have not been able to verify does not appear here.
- Body material
- Brass
- Cap
- Knurled, gray color
- The body is made of brass with a knurled gray cap; if your key is made of a different material or color, it is probably not the same piece.
Frequently asked questions about the filling key HE013002578
When should the manual filling key LLCHMC26 be replaced in a Micra Condens 26 boiler?
What material is the body of the manual filling valve LLCHMC26 made of?
Is the manual filling key LLCHMC26 compatible with the Renova Micra range?
How many models are compatible with the manual filling key LLCHMC26?
What fault codes are documented for the manual filling key LLCHMC26?
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