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Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 9: Mechanical gas thermostats
This document specifies safety, construction, performance and testing requirements for mechanical gas thermostat intended for use with gas burners and gas burning appliances hereafter referred to as *“thermostats”*.
This document applies to mechanical gas thermostats of nominal connection sizes up to and including *DN 50* with declared maximum inlet pressures up to and including *50 kPa*, for use with natural gas, manufactured gas or liquefied petroleum gas (LPG). It is not applicable to corrosive and waste gases.
This document applies to mechanical thermostats:
This document covers type testing only.
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