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Overflowing or leaking derby septic tanks

Overflowing or leaking derby septic tanks & cesspits. Silver line asbn 6kw 1/3 phase output connection option. However, if you do have a pilot light, it should always burn with a bright, solid blue flame this shows that the boiler is burning efficiently and correctly if your pilot light burns with a yellow or orange wavy flame, the gas is not burning cleanly and this could be a sign of a carbon monoxide leak. Commercial, domestic & industrial drain care.

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