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3 Cards in this Set
- Front
- Back
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List servicing for water heaters |
1- check it's working or any known faults. 2 -Flue flow test ( smoke pellet in Combustion chamber, extractors on) 3- Clean burner and anti vitiation sensing pilot 4 - Check flame picture, burner pressure and gas rate. 5 - spillage test. 6 - case back on, check controls. |
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Before servicing an appliance you need what? |
Manufacturers instructions. |
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After a satisfactory soundness test it is important to do what before working on an appliance? |
Have quick visual check of boiler installation, pipework and flue. |
