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Beretta Air vent valve 3/8" Beretta 4254 - Boiler Spare Parts
BerettaBoiler Spare Parts

Beretta Air vent valve 3/8" Beretta 4254

BERETTA Air vent valve 3/8" Beretta 4254

SKU 3G-CBM-04733

Brand
Beretta
Item
Air vent valve 3/8" Beretta 4254
Category
Boiler Spare Parts
UNSPSC
40101851 — Boiler parts and accessories
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Documents

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Beretta Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

BERETTA Air vent valve 3/8" Beretta 4254

Frequently Asked Questions

What is the Beretta 4254 air vent valve used for?

The Beretta 4254 air vent valve is a boiler spare part designed to automatically release trapped air from hydronic heating systems. It helps prevent air locks and corrosion, ensuring efficient water circulation in residential and commercial boilers. This 3/8" valve is commonly used in Beretta boiler maintenance and repair.

What are the specifications of the Beretta 4254 air vent valve?

The Beretta 4254 air vent valve has a 3/8" connection size and is manufactured by Beretta as an OEM replacement part. It is a mechanical float-type valve for automatic air release in boiler systems. For detailed pressure and temperature ratings, consult the Beretta technical documentation.

Where to buy the Beretta 4254 air vent valve in Singapore?

You can source the Beretta 4254 air vent valve in Singapore through 3G Electric. We supply genuine Beretta boiler spare parts and handle logistics, customs clearance, and delivery to your Singapore location. Contact us for pricing and lead time on this OEM part.

How to install the Beretta 4254 air vent valve?

To install the Beretta 4254 air vent valve, first depressurize and drain the boiler system. Apply thread sealant to the 3/8" male thread and hand-tighten the valve into the air vent port. Open the system isolation valve if present. Ensure the vent cap is loose to allow air release. Always follow the boiler manufacturer's instructions.

Used in

Common applications for Beretta
Residential combi boiler maintenance — Beretta ionization electrode (part 2255) for flame detection
Hydronic heating system servicing — Beretta expansion tank 4.5L (part 7620) for pressure control
Pressure vessel repair — Beretta membrane 47mm (part R6872) for expansion tank restoration
Boiler efficiency upgrade — Beretta heat exchanger 12 elements (part 8037) for improved heat transfer
Control circuit troubleshooting — Beretta microswitch (part 01005178) for safety interlock
Domestic hot water flow regulation — Beretta flow meter (part 010022348) for burner modulation
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Beretta Products

3G Electric supplies Beretta boiler spare parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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