Ariston 3.5 Bar Pressure Reducing Valve - Kit B 406802 pre-plumbed cylinder A factory-fitted filling loop simplifies

A factory-fitted filling loop simplifies initial pressurisation and top-up of the primary heating circuit without additional site-sourced parts

What is the difference between the Micro and the MagnaClean HP

An automatic air vent is built into the boiler

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Operating Temperature Range: -10°C to +100°C

Ariston 3.5 Bar Pressure Reducing Valve - Kit B 406802 pre-plumbed cylinder A factory-fitted filling loop simplifiesThe Ariston 3. 5 Bar Pressure Reducing Valve Kit B (part number 406802) is a genuine accessory designed to protect unvented water heaters by controlling incoming mains water pressure. It is essential for installations where the mains pressure exceeds 3. 5 bar, ensuring safe and reliable operation of Ariston Andris and Europrisma water heaters (10L, 15L, and 30L models) under or oversink. This kit is recommended or required for compliance with Ariston