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Upgrade your existing gas system safely and cost-effectively with the Cavagna Separate OPSO Unit Type 403. Designed for low pressure propane applications, this OPSO (Over Pressure Shut-Off) device provides essential safety protection by automatically cutting off gas flow in the event of overpressure.
Ideal for use with regulators that are not already equipped with OPSO, this unit allows you to meet current safety guidelines without the need to replace your entire regulator. It is particularly suited for upgrading Cavagna 734 regulators and similar models.
This OPSO unit is perfect for upgrading existing gas regulators that do not include overpressure protection, helping you stay compliant with modern safety standards. Commonly used in residential, commercial, and off-grid LPG installations.
Enhance safety without replacing your regulator – choose the Cavagna Separate OPSO Unit for reliable overpressure protection.
We do everything we can to make sure your order is delivered on time. Tezla Gas Products use Royal Mail (all services including Guaranteed Next Day) , Parcelforce and UPS. We offer free delivery on orders of £75 and over and Guarantee orders placed before 3.20pm will be dispatched the same day (Monday-Friday), we recognise the importance of receiving your goods in a speedy manner and even dispatch on a Saturday if an order is placed before 10.30am. (Royal Mail Services only)

