How do I know if this safety valve is for my boiler?

Verify the reference 00200786 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

Is it dripping or continuously expelling water?

It could be excess pressure (expansion vessel) or the valve itself not closing.

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

Verify that the pressure setting in bar is correct for your boiler.

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 Safety Valves

3 Bar Angled Safety Valve Saunier Duval ThemaClassic Ref. 00200786

Name: 3 Bar Angled Safety Valve Saunier Duval ThemaClassic Ref. 00200786
Brand: Saunier Duval
SKU: VALSE25F
Price: 15 EUR
Availability: InStock

15 €VAT includedIn stock · 5 units

Safety valve: reconditioned spare part that releases pressure when the circuit exceeds its set point. Useful if it drips or continuously expels water. Compatible with ThemaClassic F24E, ThemaClassic F25E, ThemaClassic C24E (ref. 00200786). 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: 00200786
Brand: Saunier Duval
Type of part: Safety Valves
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 00200786) equips these models. Verified compatibility; check the reference before purchasing.

ThemaClassic

ThemaClassic F24E
ThemaClassic F25E
ThemaClassic C24E
ThemaClassic C25E

Themafast

Themafast F24E
Themafast F25E
Themafast F28E
Themafast F30E
Themafast C24E
Themafast C25E

Thematek

Thematek F24E
Thematek F25E
Thematek C24E
Thematek C25E

NOx Thema

Thema NOx F25

Isofast

Isofast F35E
Isofast C35 E-A
Isofast F30E

Isomax

Isomax F35E
Isomax C30

Isotwin

Isotwin F30
Isotwin C30

How do I know if this safety valve is for my boiler?: Verify the reference 00200786 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 safety valve releases pressure when the circuit exceeds its set point (e.g. 3 bar).
Is it dripping or continuously expelling water?: It could be excess pressure (expansion vessel) or the valve itself not closing.
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: Verify that the pressure setting in bar is correct for your boiler.
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.