Clesse Single Wall Mounted Regulator With CSR OPSO

Clesse CSR485 Wall Mounted Regulator Kit with OPSO – 37mbar 4kg/h

Low-pressure wall-mounted regulator kit fitted with the latest Consumer Safety Protection system (OPSO), as required by UK standards for all fixed pipework installations. Ideal for LPG cylinder applications in domestic, commercial, catering, inland waterways, holiday, and park home settings.

Features:

• Over Pressure Shut Off (OPSO) safety system
• Outlet pressure: 37 mbar (preset)
• Flow rate: 4 kg/h (approx. 55 kW)
• Inlet connection: UK POL (5/8" LH male)
• Outlet connection: 1/2" BSP female
• Inlet pressure range: 1 – 16 bar
• Relief valve set at 75 mbar
• Suitable for propane cylinders
• Conforms to BS 6891 Annex E and COP32 standards

Kit Includes:

• CSR485 wall-mounted manual changeover regulator
• 1x 20" rubber LPG pigtail
• 1/2" emergency control butterfly ball valve
• 1/2" test point
• LPG safety plaque
• Screws and rawlplugs

What is OPSO?

OPSO stands for Over Pressure Shut-Off. It’s a built-in safety feature that automatically cuts off the gas supply if the outlet pressure rises above safe operating levels. This protects appliances from damage and helps prevent gas-related accidents.