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

Verify the reference I39818210 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.

RefurbishedFerroli Pressure gauges - Aquastats

Ferroli Optimax OM Pressure Gauge Ref. I39818210

15 €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 DOMICOMPACT F24, DOMICOMPACT F30, DOMIPROJECT F24 (ref. I39818210). 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: I39818210
Brand: Ferroli
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. I39818210) equips these models. Verified compatibility; check the reference before purchasing.

DOMICOMPACT

DOMICOMPACT F24
DOMICOMPACT F30

DOMIPROJECT

DOMIPROJECT F24
DOMIPROJECT F32
DOMIPROJECT D F24
DOMIPROJECT D F32

OPTIMAX

OPTIMAX HE 31 C
OPTIMAX HE Plus 18S
OPTIMAX HE Plus 25S
OPTIMAX HE Plus 35S

How do I know if this pressure gauge / thermometer is the one for my boiler?: Verify the reference I39818210 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.