Honeywell air and flue pressure switch Ref. C6065AH1020 · Hermann 049001529
The Honeywell air and flue pressure switch Ref. C6065AH1020 checks the pressure and allows the boiler to operate. If this part fails, you will notice that the boiler does not start or gets locked out, even if the pressure is correct. It is compatible with several boilers from the Hermann brand, among others. A technician must confirm through diagnosis whether it needs to be replaced when you start experiencing these malfunction symptoms.
- Type of part
- Pressure switches
- Status
- Refurbished
- Catalogue reference
- C6065AH1020
- Warranty
- 1 year
How to check if ref. C6065AH1020 is the part for your boiler
The part reference, model, and equipment revision must be verified against the manufacturer's documentation.
- Find the reference printed on the installed part and check whether it matches the catalogue reference C6065AH1020. 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 that require diagnosis in the pressure switch C6065AH1020
The pressure switch controls the air or water pressure to authorize operation. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
The boiler does not start or stops immediately after trying, without giving time for the flame to appear.
Cause: The microswitch does not change position when it reaches the set pressure, and the control unit interprets that there is not enough draft, so it cuts off the ignition.
With the boiler off, disconnect the pressure switch connector and use a multimeter to check for continuity to see if the microswitch activates when blowing through the intake tube.
- 02
A click is heard or nothing is heard when starting the extractor, and the boiler remains locked.
Cause: The microswitch is a mechanical contact NC/NO/C: if the spring or diaphragm is seized, it does not change state even if pressure is applied.
Check that the connection pipes are not cracked or loose, as this is the most common cause before the microswitch itself fails.
- 03
The fault appears intermittently; sometimes it turns on and other times it locks without changing anything.
Cause: A microswitch with worn contacts may close intermittently before it stops switching altogether.
Note if the fault coincides with a dirty fan or one that is spinning slower than normal, as this can also prevent the pressure from reaching the set point.
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.
Honeywell C6065AH1020 pressure switch datasheet
- Catalogue reference
- C6065AH1020
- Uniclima internal SKU
- PCS24SE
- Brand
- Honeywell
- Type of part
- Pressure switches
- Units in stock
- 3 units
- Status
- Refurbished
- Warranty
- 1 year
- Shipping
- Delivery time shown at checkout
- Return
- 14 days
Part data and available documentation
Contrast the label codes, PCB, and revision with the installed part; they are not necessarily equivalent references.
- Voltage
- 250V~
- Condenser
- 1.5(0.5) μF
- Set pressure
- 0.89 mbar
- Maximum pressure
- 6 mbar
- Batch code
- 0224D (suffix YM)
- CE code
- CE-0063AP3085/1
- Place of manufacture
- Made in Japan
- Contact settings
- NC/NO/C (microswitch)
Frequently asked questions about the pressure switch C6065AH1020
At what pressure does the pressure switch C6065AH1020 switch?
Where is the pressure switch C6065AH1020 manufactured?
What voltage does the pressure switch C6065AH1020 operate at?
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