Term
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Definition
Thermoelectric gas valve
It is ELECTRICALLY operated |
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Term
[image]
Describe how it works.. |
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Definition
COIL is energised,and this creates a MAGNETIC field that opens and holds a gas valve in the open position.
Removal of the electricl supply will cause a SPRING to close the valve. |
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Term
[image]
Where do we find these? |
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Definition
| BOILERS,COOKERS,FIRES,W.A.U and WATER HEATERS. |
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Term
| [image] What TESTS can we do? |
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Definition
| Should FAIL safe within 60SECONDS AUDIBLE CLICK. |
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Term
| [image] What FAULTS can occur with this valve? |
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Definition
| Can fail to hold open and can fail to shut off within time period.(60 SECONDS) |
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