Description
Ferroli 39835630 Secondary Heat Exchanger (Now Use 39820430)
The Ferroli 39835630 secondary heat exchanger has been officially superseded by part number 39820430. This is the correct and updated replacement supplied by the manufacturer.
The secondary heat exchanger is responsible for transferring heat to your domestic hot water system. If your boiler is producing inconsistent hot water or losing efficiency, replacing this component can restore full performance.
Compatible Boilers
Ferroli Optimax HE Plus Series
- Optimax HE Plus 31 C – 47-267-44
If you’re looking for a Ferroli diverter valve motor follow the link provided.
Why Choose This Product?
The offers precise burner position feedback. It improves boiler ignition accuracy, reducing faults and energy waste. This part is made to Ferroli’s exact standards, ensuring long service life. Easy to fit, it keeps your boiler running safely and efficiently. Choose this sensor for reliable heating and peace of mind.
Delivery and ReturnÂ
Place your order before 1 PM for same-day dispatch. Choose from standard or next-day delivery options. We accept returns within 30 days, provided the product is unused and in original packaging.
Always hire a Gas Safe registered engineer to install this part safely.
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