Ferroli
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Frequently asked questions
Common questions about Ferroli from 3G Electric.
What Ferroli boiler models do you supply spare parts for?
We stock components for Ferroli Domina and F24E series boilers. These include expansion tanks (F24E model 39804890 and 3/4" variants), flow turbines, main circuit assemblies, pressure switches, flow meters, and manometers. Model compatibility should be verified against your specific boiler serial number before ordering.
What pressure range do Ferroli manometers and pressure switches handle?
Ferroli analog manometers (SKU PCM20012, part 39806330) are rated 0–4 bar gauge, suitable for primary-circuit pressure monitoring in standard heating systems. Pressure safety switches (SKU PCM20004, part 39805630) are rated to 17 mbar activation threshold, typical for domestic boiler high-limit protection.
Are Ferroli expansion tanks available in different port sizes?
Yes. We carry the F24E expansion tank (39804890) and a 3/4" threaded variant (39809020). Port size and volume capacity should be cross-checked with your boiler circuit schematic to ensure correct thermal-volume compensation.
What is the function of the Ferroli flow turbine in a boiler system?
The Domina flow turbine (SKU PCM20024, part 39804150) integrates into the heating circuit to measure water flow rate. Data from the turbine is typically transmitted to the boiler control board (main plate or circuit assembly) to regulate pump speed, combustion modulation, and system efficiency.
Can I order Ferroli boiler spare parts outside of Singapore?
Yes. We ship Ferroli components globally. Place orders online or request a quotation with your boiler model, part number, and delivery location. Lead times and freight costs vary by destination.
What materials are used in Ferroli expansion tanks and pressure vessels?
Ferroli expansion tanks and circuit assemblies typically employ stainless steel or brass for corrosion resistance in closed hydronic loops. Exact material specifications are listed on technical datasheets available upon request for each SKU.


















