The code of practice for liquid fuel burning installations for space heating and hot water supply purposes in domestic buildings with an output of not exceeding 70kW is outlined in British Standard 5410-1:2019, which states that “liquid fuel supply pipework, valves, filters and fire valves should be visually inspected and checked for proper operation, including resetting, where appropriate, at least annually.”
Visual inspection of the valve for indications of corrosion and/or oil leakage at junctions with the oil supply pipe is recommended, and the capillary tube should be carefully examined for any damage or kinks, and also to ensure that it’s properly secured.
Appropriate test equipment should be used to verify that the fire valve is operating correctly, that the valve closes at the correct . . .
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