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

Verify the reference 05236700 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Saunier Duval part.

The filling valve allows the heating circuit to be refilled with water.

Does it not fill, leak, or not close properly?

Seized valve, leaking or not sealing.

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 the connection to the circuit.

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 Filling valves

Saunier Duval Filling Return Connector Bridge Keys Thema Thelia Ref. 05236700

25 €VAT includedIn stock · 4 units

Filling valve: reconditioned spare part that allows refilling the heating circuit with water. Useful if it doesn't fill, drips, or doesn't close properly. Compatible with Combitek C 23, Combitek F 23, Ecosy 24 E (ref. 05236700). 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: 05236700
Brand: Saunier Duval
Type of part: Filling valves
Available units: 4 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 05236700) equips these models. Verified compatibility; check the reference before purchasing.

Saunier Duval

Combitek C 23
Combitek F 23
Ecosy 24 E
Ecosy 24 E1
Ecosy 28
Ecosy 28 E
SD 228 C
SD 235 C
SD 235 mE
Sylva 24 E
Sylva FF 24 E
Thelia 14/23
Thelia 23
Thelia 23 E
Thelia 30 E
Thelia 623
Thelia Twin 28
Thelia Twin 28 E
Thema C 23 a
Thema C 23 E
Thema F 23 E
Themaplus C 23 E
Themaplus F 23 E
Themis 214/23
Themis 223
Themis 23
Themis 23 E
Themis 23 mE
Themis Twin 28
Themis Twin 28 E
Twin C 28 E
Twin F 28 E

How do I know if this filling valve is for my boiler?: Verify the reference 05236700 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Saunier Duval part.
What is it used for?: The filling valve allows the heating circuit to be refilled with water.
Does it not fill, leak, or not close properly?: Seized valve, leaking or not sealing.
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 the connection to the circuit.
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.