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

Verify the reference 101002 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Vaillant piece.

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.

RefurbishedVaillant Pressure gauges - Aquastats

Vaillant Boiler Thermometer Pressure Gauge Temperature VCW 15 3 T3 WDH Ref. 101002

20 €VAT includedIn stock · 5 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 VC, VC8, VCW (ref. 101002). 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: 101002
Brand: Vaillant
Type of part: Pressure gauges - Aquastats
Available units: 5 units in stock
Status: Refurbished
Warranty: 1 year
Shipping: 2–4 working days (EU)
Return: 14 days

The same part (ref. 101002) equips these models. Verified compatibility; check the reference before purchasing.

VC

VCW

T3

SINE

SINE
SINE-MOT (SINEMOT)

How do I know if this pressure gauge / thermometer is the one for my boiler?: Verify the reference 101002 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Vaillant piece.
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.