DS/EN 257
Mechanical thermostats for gas-burning appliances
| Organization: | DS |
| Publication Date: | 18 March 1993 |
| Status: | inactive |
| Page Count: | 48 |
| ICS Code (Temperature-measuring instruments): | 17.200.20 |
scope:
The standard specifies the construction and performance requirements for mechanical thermostats for gas appliances It also establishes the definitions, test conditions and marking. It applies to mechanical thermostats controlling the gas flow directly or indirectly through an integral gas valve, and which do not require external electrical energy for their operation. The requirements of this standard apply to thermostats for all gas appliances, either heating or cooling, which...
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