How do I know if this hydraulic group/block is for my boiler?

Check the reference S1024900 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

The hydraulic group/block integrates the water circuit (valve, by-pass, and connections).

Which models is it suitable for?

Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.

Installation and recommendations

Check seals and connections; compare the exploded view.

What does refurbished mean and what coverage does it have?

Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

RefurbishedSaunier Duval Hydraulics

Saunier Duval Themafast F 25 E H Z Pipe MOD Ref. S1024900

10 €VAT includedIn stock · 4 units

Hydraulic group: reconditioned spare part that integrates the valve, bypass, and water connections. Useful if there are leaks, noises, or poor water circulation. Compatible with F 25 E, F 30 E, F 30 E (ref. S1024900). Includes a one-year warranty and delivery within 2–4 working days in the EU.

Consult via WhatsApp

Not sure if it's your part? Send us a photo of the screen printing via WhatsApp and we'll confirm compatibility before you purchase.

Delivery in 2–4 working days

1-year warranty

14-day return

Technical support

Key Data

Reference: S1024900
Brand: Saunier Duval
Type of part: Hydraulics
Available units: 4 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. S1024900) equips these models. Verified compatibility; check the reference before purchasing.

Themafast

F 25 E
F 30 E

Isofast

F 30 E
F 35 E

NOx Thema

F 25

How do I know if this hydraulic group/block is for my boiler?: Check the reference S1024900 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.
What is it used for?: The hydraulic group/block integrates the water circuit (valve, by-pass, and connections).
Leaks, noises, or poor water circulation?: It may indicate leaks or wear of the block.
Which models is it suitable for?: Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations: Check seals and connections; compare the exploded view.
What does refurbished mean and what coverage does it have?: Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.