Ariston Kit B 3.5 Bar Pressure Reducing Valve

Ariston Kit B 3.5 Bar Pressure Reducing Valve. Manages incoming pressure for a compatible Ariston water heater. A useful accessory to identify by its product code when planning the heater installation or replacing the corresponding component.

What this accessory does

The valve regulates the cold water supply pressure to the heater. It serves a different purpose from an expansion vessel or a pressure relief valve, so it should be chosen as part of the required installation arrangement.

Check the complete installation before ordering

Ariston lists this accessory in the installation guidance for Andris water heaters. Your installer should confirm compatibility, connections and whether this kit is required for your particular model and plumbing arrangement. Do not assume every Ariston heater uses the same fittings.

Some heater packages already include Kits A, B and C. Check the contents of your chosen product code before ordering accessories separately, especially when buying a 30L Andris model. If you are replacing an existing component, send us its markings and the heater’s model details so we can help check the product information.

Product specifications

Choose with confidence at Heatraq

Compare point-of-use water heaters, or visit our Help & Advice page for ways to contact us and the details to have ready. If you are unsure which model to order, send us the product code and tell us how you plan to use it. We can help with product information before you buy; your installer should confirm the installation requirements.