SWEP Plate Heat Exchanger For Isofast 21 Condens F30-B - Ref. 0020105937
The SWEP plate heat exchanger for Isofast 21 Condens F30-B is a component that transfers heat from the primary circuit to the domestic hot water instantly. When it fails, the water comes out lukewarm or shows fluctuating temperatures, in addition to reducing the flow of hot water. This heat exchanger is compatible with the Isotwin Condens F30-A and Isofast 21 Condens F30-B models, among others. It is recommended to replace it when you notice these symptoms of malfunction.
VAT included
Consult via WhatsAppSaunier Duval boilers compatible with reference 0020105937
Plate heat exchanger with reference 0020105937. Two confirmed compatibilities: Isotwin Condens F30-A and Isofast 21 Condens F30-B.
Proven compatibility
| Boiler model | Family | Verification |
|---|---|---|
| Saunier Duval Isotwin Condens F30-A | Isotwin Condens | Contrasted |
| Saunier Duval Isofast 21 Condens F30-B | Isofast 21 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 the ref. 0020105937 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 0020105937. 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 plate heat exchanger 0020105937 resolves.
The plate heat exchanger transfers heat to the domestic hot water. These are the typical symptoms and what to do:
Common symptoms and faults
- 01
Little hot water or the tap temperature fluctuates for no reason.
Cause: The plates are coated with limescale and the water does not flow evenly through the heat exchanger.
Check the pressure and the cold water flow of the house before connecting it to the heat exchanger.
- 02
The heating pressure drops just when you use domestic hot water.
Cause: There may be an internal leak between the plates that allows the primary circuit and the domestic hot water circuit to communicate.
Monitor the pressure gauge of the boiler when opening a hot water tap; if it drops, that's your clue.
- 03
Less hot water is flowing than before, even though the tap is fully open.
Cause: The obstruction caused by scale narrows the internal channels of the heat exchanger and restricts the flow of water.
First, rule out a dirty inlet filter or a flow limiter in the faucet itself.
- 04
Humidity or dripping appears at the bottom of the boiler, near the heat exchanger.
Cause: The tightness between the plates has been lost and water is leaking from that point.
Dry the area, turn on the boiler, and check if the dripping reappears as soon as it starts.
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.
Plate heat exchanger data sheet Saunier Duval 0020105937
- Catalogue reference
- 0020105937
- Brand
- Saunier Duval
- Type of part
- Plate heat exchanger
- Units in stock
- 1 unit
- 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.
- Manufacturer
- SWEP
Frequently asked questions about the plate heat exchanger 0020105937
Who manufactures the heat exchanger for the Isofast 21 Condens F30-B boilers?
Does this SWEP heat exchanger fit the Isofast 21 Condens F30-B?
What fault indicates that the heat exchanger of my Isofast 21 Condens F30-B needs to be replaced?
What function does this SWEP heat exchanger serve in the Isofast 21 Condens F30-B?
How many models are compatible with this SWEP heat exchanger?
What is the reference for this SWEP heat exchanger?
Spare parts related to Saunier Duval Isotwin Condens
