How do I know if this pressure gauge / thermometer is the one for my boiler?

Verify the reference 05234200 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part.

The manometer/thermomanometer displays the pressure (and sometimes the temperature) of the circuit.

Is the needle not moving or indicating incorrectly?

Incorrect reading or needle stuck; check for air in the intake.

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 the thread/connection and bleed the pressure point.

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 Pressure gauges - Aquastats

Saunier Duval Themis 223 Thermomanometer Ref. 05234200

Name: Saunier Duval Themis 223 Thermomanometer Ref. 05234200
Brand: Saunier Duval
SKU: MSDT223
Price: 20 EUR
Availability: InStock

20 €VAT includedIn stock · 4 units

Manometer: refurbished spare part that displays the pressure of the boiler circuit. Useful if the needle does not move or shows incorrect pressure. Compatible with Thelia 14/23, Thelia 23 CE, Thelia 23 E CE (ref. 05234200). 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: 05234200
Brand: Saunier Duval
Type of part: Pressure gauges - Aquastats
Available units: 4 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 05234200) equips these models. Verified compatibility; check the reference before purchasing.

Thelia

Thelia 14/23
Thelia 23 CE
Thelia 23 E CE
Thelia 623
Thelia 623 CE
Thelia 623 E CE
Thelia AS 23
Thelia AS 23 CE

Themis

Themis 8/20
Themis 23
Themis 23 E CE
Themis 23 mE
Themis 123
Themis 123 V
Themis 214/23
Themis 223
Themis 223 CE
Themis AS 14
Themis AS 14 CE
Themis AS 23
Themis AS 23 CE

SD

SD 135 C
SD 228 C
SD 235 C
SD 235 mE

How do I know if this pressure gauge / thermometer is the one for my boiler?: Verify the reference 05234200 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 manometer/thermomanometer displays the pressure (and sometimes the temperature) of the circuit.
Is the needle not moving or indicating incorrectly?: Incorrect reading or needle stuck; check for air in the intake.
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 the thread/connection and bleed the pressure point.
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.

Saunier Duval Themis 223 Thermomanometer Ref. 05234200

Key Data

Thelia

Themis

SD

Spare Parts Related Boiler Themis 223