Clesse CSR 485 Propane Cylinder Regulator including Consumer Safety Reset (CSR) Over Pressure Shut Off (OPSO*) system.New LPG safety system developed by Clesse enables the consumer to reset the regulator should the gas pressure exceed recommended limits, protecting appliances and property. Clear visible indication and resetting is performed by a “Push to reset” system, similar to electrical consumer RCD protection.

*OPSO is a recommendation under the HSE L56 Approved Code of Practice and Guidance, a requirement of BS 6891 Annex E, and Liquid Gas UK codes of practice 32, covering LP Gas fixed pipework installations in the UK.